On these dark evenings the Perseus Double Cluster and the Andromeda Galaxy, M31, await in the northeast. They're only two fist-widths apart. skyandtelescope.org/astronomy-ne... . . #astronomy #stargazing #doublecluster #starcluster #galaxy #andromedagalaxy

Titan joins its shadow for a “grand finale” this October. skyandtelescope.org/astronomy-ne... . . #astronomy #observing #saturn #transit #titan

With just a one-minute setup and no technical skills required, students can explore the universe with Unistellar’s smart telescopes. And with NASA and SETI as their partners, the science behind it is as real as it gets. Learn more at buff.ly/94rMnzV and @unistellar.bsky.social

A surge of asteroids might have peppered the inner solar system some 800 million years ago, in a short-lived shower that left its mark — literally — on Earth and its neighbors. skyandtelescope.org/astronomy-ne... . . #astronomy #moon #asteroids #craters

Congratulations to amateur astronomer Vladimir Bezugly of Ukraine! He discovered a bright new comet on September 11th around 1:45 UT in publicly posted images from the Solar and Heliospheric Observatory. skyandtelescope.org/astronomy-ne... . . #astronomy #comet #stargazing

In eight days Saturn will be at opposition. So now's the time to carefully examine the brightness of Saturn's nearly edge-on rings — to compare with how they bright they will appear right around opposition date. skyandtelescope.org/astronomy-ne... . . #astronomy #stargazing #saturn

See the images that won the 2025 Astronomy Photographer of the Year award. skyandtelescope.org/astronomy-ne... . . #astronomy #stargazing #astrophotography

The LIGO gravitational-wave detector celebrates its 10th birthday with the clearest signal yet from a pair of merging black holes. skyandtelescope.org/astronomy-ne... . . #astronomy #ligo #gravitationalwaves

The Perseverance has found compounds associated with life on Earth. But whether they indicate life on Mars awaits sample return. skyandtelescope.org/astronomy-ne... . . #astronomy #mars #perseverancerover #marsrover #lifeonmars

S&T editors attended star parties in the past months in various locations around the country to observe with fellow stargazers. skyandtelescope.org/astronomy-ne... . . #astronomy #community #starparty #stargazing

Reflect Orbital plans to launch gigantic satellites to reflect sunlight into regions where night has already fallen, potentially harming eyes, altering sleep, and blocking the starry sky. skyandtelescope.org/astronomy-ne... . . #astronomy #satellites #darksky #spacepolicy

Already trusted by 100+ institutions in the USA (including Harvard, Brown, Berkeley, 25 community colleges, and 15 scout camps), Unistellar's connected telescopes bring the cosmos into the classroom and beyond. Learn more: www.unistellar.com/education-pr... and @Unistellar

Imagine experiencing a total solar eclipse in the same spot where the ancient Egyptians did! Archaeological Paths is offering an amazing VIP tour that will witness one of the longest total solar eclipses of this century from the Lost Golden City of Luxor! archaeologicalpaths.com/solar-eclipse

The number of gravitational-wave signals, ripples in spacetime that sweep past Earth, has just doubled. skyandtelescope.org/astronomy-ne... . . #astronomy #stargazing #gravitationalwaves

Is seeing the northern lights on your bucket list? With the fall equinox approaching, now is the best time to catch aurorae. Learn more and discover how you can see (and photograph) the aurorae at skyandtelescope.org/how-to-see-t.... . . #astronomy #stargazing #aurora #northernlights #auroraborialis

The waxing gibbous Moon shines in the south-southeast this evening, on a line between Altair and Fomalhaut. Altair is the bright star three or four fists above the Moon. skyandtelescope.org/astronomy-ne... . . #astronomy #stargazing #moon #pisces #saturn

Marsquakes reveal a lumpy, viscous mantle and a large, solid inner core, with profound implications for Mars past, present, and future. skyandtelescope.org/astronomy-ne... . . #astronomy #mars #planetarygeology #marsquakes

Observations with the James Webb Space Telescope launched to study the new interstellar Comet 3I/ATLAS have found the comet is surprisingly rich in carbon dioxide. skyandtelescope.org/astronomy-ne... . . #astronomy #comet #interstellarcomet #3I/ATLAS

A promising comet could reach naked-eye brightness next month. Here’s how to track it. skyandtelescope.org/astronomy-ne... . . #astronomy #stargazing #comet

Our home planet just got a new companion — or at least, a newfound one. Just discovered 2025 PN7 has been orbiting the Sun alongside Earth for decades, and will continue to do so for decades more. skyandtelescope.org/astronomy-ne... . . #astronomy #earth #moon #quasimoon #2025PN7

Calling all schools and teachers! Unistellar’s smart telescopes make astronomy fun, accessible, and inspiring for everyone. With just a one-minute setup and no technical skills required, students can explore the universe—even from light-polluted areas. Learn more: buff.ly/94rMnzV

This month's Sky Tour astronomy podcast is here! September’s night sky features the iconic Summer Triangle, almost directly overhead, and a newcomer to the evening sky: Saturn. Presented by @celestronuniverse.bsky.social buff.ly/SrYaw8H . . #astronomy #stargazing #saturn #moon #stars #podcast

On September 2nd, Sky & Telescope is launching subscription access to our online articles. Subscribe to get full digital access to the website and magazine! skyandtelescope.org/astronomy-ne...

The European spacecraft en route to Jupiter, named JUICE, completed its only flyby of the planet Venus on August 31st. skyandtelescope.org/astronomy-bl... . . #astronomy #spacemission #JUICE #venus #spacecraft

Astronomers have pinpointed the location of an one-time fast radio burst to a spiral arm of a nearby galaxy. skyandtelescope.org/astronomy-ne... . . #astronomy #fastradioburst

With the Very Large Telescope in Chile, astronomers have spotted a planet forming around a star 430 light-years away. skyandtelescope.org/astronomy-ne... . . #astronomy #cosmology #protoplanet #protoplanetarydisk

Twelve years after they were first discovered, astronomers are coming to grips with fast X-ray transients (FXTs). skyandtelescope.org/astronomy-ne... . . #astronomy #fastxraytransients #xrays

In this roundup of recent news, birds react to light pollution and a respected mirror maker calls it a day. skyandtelescope.org/astronomy-ne... . . #astronomy #lightpollution #darksky #telescopemaking #mirrorgrinding #amateurtelescopemaking #telescopes

Astronomers have spotted a new small moon for Uranus in images from earlier this year. skyandtelescope.org/astronomy-ne... . . #astronomy #uranus #moon

How a determined amateur astronomer may have hit on the identity of a Cepheid variable double star described by a beloved author. skyandtelescope.org/astronomy-ne... . . #astronomy #stargazing #lesliepelteir #variablestars #doublestars

A “little red dot” galaxy from when the universe was roughly half a billion years old shows signs of the most distant black hole known. skyandtelescope.org/astronomy-ne... . . #astronomy #galaxies #cosmology #blackholes

Scouring old data from NASA’s Cassini mission revealed puzzling atmospheric stripes that could help probe Saturn’s icy moon. skyandtelescope.org/astronomy-ne... . . #astronomy #saturn #saturnmoons #enceladus #moon #spacerainbows

New James Webb Space Telescope observations of the third world in the seven-planet TRAPPIST-1 system rule out a variety of atmospheres. skyandtelescope.org/astronomy-ne... . . #astronomy #exoplanets #trappist-1 #exoplanetatmospheres #cosmology

Saturn glows through the evening near the Andromegasus Dipper. Venus and Jupiter, drawing apart, still light the dawn dramatically. The Moon joins them. Read more: skyandtelescope.org/astronomy-ne... . . #astronomy #stargazing #gemini #venus #jupiter #pegasus #andromeda #moon

You don't need a PhD to understand noise in astronomical images — here's an introduction to the various sources of noise in astrophotography and how to combat them. Read more: skyandtelescope.org/astronomy-bl... . . #astronomy #astrophotography #noise

New research opens the possibility that the first stars weren’t the behemoths we expected them to be. skyandtelescope.org/astronomy-ne... . . #astronomy #cosmology #starscience #stars #firststars

Join Lech Walesa, the Nobel Peace Prize winner, on his first-ever Grand Lecture Tour across the U.S. and Canada. Don’t miss this once-in-a-lifetime opportunity to learn from the man who made history and changed the world forever. Register now: www.HistoryExplorer.com

Week after week, little Mars stays practically on station at the same height low over the western landscape in twilight. Mars apparitions always drag on near the end, but this year Mars is especially reluctant to exit. skyandtelescope.org/astronomy-ne... . . #astronomy #stargazing #mars #virgo

Direct images from the James Webb Space Telescope show what could be a Saturn-mass planet around Alpha Centauri. skyandtelescope.org/astronomy-ne... . . #astronomy #exoplanets #planetaryscience #cosmology #alphacentauri #jwst #newplanet

Sure, the Moon will be a problem. But clouds are worse. Don’t miss one of the best meteor showers of the year. skyandtelescope.org/astronomy-ne... . . #astronomy #stargazing #meteorshower #perseids #perseidmeteorshower #shootingstars #fireball

Even today, the names of women in astronomy are not as well known as they should be. skyandtelescope.org/astronomy-bl... . . #astronomy #astrohistory #womeninstem #womeninastronomy #stargazing #mindfullness

S&T Associate Editor Sean Walker and Contributing Editor Stephen James O’Meara accompanied nine adventurers on a stargazing safari for an immersive experience in the African bush in Botswana. skyandtelescope.org/observing/so... . . #astronomy #stargazing #astrotourism #botswana #africa #safari

The Moon, in Libra, hangs halfway between Antares two fists to its upper left and Spica sinking down two fists to its lower right. Meanwhile, Venus and Jupiter approach each other in the dawn. skyandtelescope.org/astronomy-ne... . . #astronomy #stargazing #gemini #venus #jupiter

Load up on the bug juice, and come along on this month’s Sky Tour! Peek at some Perseids; welcome Saturn to the evening sky; and gaze at the center of our galaxy. Presented by @Celestron skyandtelescope.org/observing/as... . . #astronomy #podcast #stargazing #moon #perseids #saturn

The International Astronomical Union has recommended brightness limits for satellites, but companies aren’t abiding by them. skyandtelescope.org/astronomy-ne... . . #astronomy #stargazing #satellites #darksky #starlink

Observations have revealed the comet’s fuzzy coma, hinted at a weird tail, and suggested an ancient history. Plus, some missions might keep observing the interstellar comet when it ducks behind the Sun. skyandtelescope.org/astronomy-ne... . . #astronomy #stargazing #comet #interstellarcomet

A new image from the Gemini Observatory might show a stellar companion to Betelgeuse, but the discovery is tentative. skyandtelescope.org/astronomy-ne... . . #astronomy #betelgeuse #binarystar

The House and Senate bill drafts keep NASA near current funding levels, but the Trump administration is prematurely readying the agency for heavy cuts. skyandtelescope.org/astronomy-ne... . . #astronomy #nasa #spacepolicy #budget

One of the brightest Cepheid variable stars in the sky is . . . Eta Aquilae! Never heard of it? It's located 8° due south of Altair and pulses from magnitude 4.3 to 3.4 and back every 7.18 days. skyandtelescope.org/astronomy-ne... . . #astrononmy #aquila #stargazing #variablestar #cepheid

NASA’s TRACERS spacecraft will look at the snap of magnetic field lines at the boundary between the solar wind and Earth’s magnetic field. skyandtelescope.org/astronomy-ne... . . #astronomy #nasa #TRACERSmission #spaceweather