Do you already have a Masters? Do you want to do a PhD in exoplanet radial velocity surveys with me at Macquarie University in Sydney? Then have I got an ad for you!

People switching from ChatGPT to Anthropic are telling on themselves. Will they now cancel their Claude subscriptions because it was used to help plan the attack on Iran? They won’t and we all know it.

"We want the murder software to murder accurately" isn't the absolution everyone seems to think it is. Anthropic is enacting a huge PR campaign and too many people are helping them

When a company in an industry built on hype tells you that a use case is a bad idea—and actually dangerous—that means it’s a *catastrophically* bad idea.

There are lots of aspects of silicate clouds in substellar objects that we don't often think about. Luckily, Sarah Moran (@offallingstars.bsky.social) and Elijah Mullens are here to fill us in on the interesting details. #exoplanets #astronomy www.youtube.com/watch?v=XYWZ...

Elsie is a rockstar! I’m so excited to see what she will do in the retrieval game! I’ve been doing offline comparisons between my code and Elsie’s code and it it SO GOOD!

and that, my fellow academics, is one reason not to hire war criminals: so they can't show up years post (their) war arguing in favor of the scaffolding behind their own atrocities with the imprimatur and status of your university

If Congress maintains high levels of science funding, but ruling party apparatchiks control the granting process, then what happens is corruption. Science is effectively defunded, and a bunch of rich Republicans are suddenly buying more houses and jets.

What are JWST’s Little Red Dots? Astronomers may finally have an answer www.scientificamerican.com/article/what...

Starting this Friday, four separate #JWST programmes will be exploring physical processes in Jupiter's atmosphere and ionosphere. We're asking amateur astronomers to help provide context imaging over the next few weeks to understand how the atmosphere is changing with time. #planetaryscience

Using AI makes science communication worse. Period. AI use necessarily reduces accuracy, transparency and authenticity. But sci comm *needs* to be accurate, transparent, and authentic. Otherwise you’re just goofing around, which will destroy your audience‘s trust in you and in other sci comm.

Last year, based on the previous funding cuts, professors in our field told us to start planning for a backup career. Now we are facing more funding cuts, they should probably just train us explicitly for the backup career.

No joke: I got angry hate mail today for writing an obituary of a Black woman scientist—because the person felt she did didn’t deserve the recognition. Which just makes me want to share it again: www.nature.com/articles/d41...

Early-career researchers are rightly worried about the road ahead, and have drafted an open letter to UKRI & #STFC, calling for a "strategic correction" to avoid irreversible loss of curiosity-driven UK research - an essential part of future discoveries, tech, & growth. bsky.app/profile/si-w...

I've posted this before, but what is the point of "Letters" anymore? I don't remember the last time I saw a paper where a quick turnaround was warranted. Our journals usually only use a single referee, so adding the additional time pressure is only further hurting quality. #exoplanets

tomorrow, StandWithMinnesota.com will hit a million site visits and over 650,000 unique visitors. i made it 10 days ago with $600 from you guys for hosting and cloudflare. thank you. thank you.

Sulphur? In my exoplanet atmosphere? It's more likely than you think, explains Ian Crossfield in the latest BOWIE+ Seminar. #exoplanets #astronomy youtu.be/v6tvTUIeshY

A great paper examining the hot Jupiter HAT-P-30b, lead by final-year PhD student Alastair Claringbold (@exoarcturus.bsky.social), as a part of the BOWIE ALIGN program. The program aims to understand how migration history impacts atmosphere composition. #exoplanets www.arxiv.org/abs/2601.13104

My textbook on SETI is published! I hope you like it! Please see if your libraries offer a free download—mine does! iopscience.iop.org/book/mono/97... 🧪🔭

You and 24 of your friends (and/or enemies, as you like) can have AAS journal editors come run a workshop on how to be a good referee!

ICYMI: Over the winter holidays, my student's paper on KELT-9b was accepted: arxiv.org/abs/2512.19662! With the Hubble Space Telescope's STIS instrument, we find enormous escape of metal ions from the hottest hot Jupiter, KELT-9b! 🪐🔭💫

The BOWIE+ Seminar restarts on January 22nd at 4PM UK time with a talk by Ian Crossfield on sulphur in exoplanetary atmospheres. Sign up to the seminar mailing list (link in bio) to receive the Zoom link.

NASA Discovers Distant Planet With Conditions That Could Sustain Rocks https://theonion.com/nasa-discovers-distant-planet-with-conditions-that-could-sustain-rocks/

i trust zeta’s words on the situation in venezuela more than most of the voices on this website so i suggest you also read what they said

If your position is that regime change should be forced on countries where the president does not respect democratic norms and regularly kidnaps opponents using an officially sanctioned paramiliatary, have I got news for you about your position on the United States

just so it's clear: this is the exact core function of genAI Fascist government and climate deniers love it because it can produce the aesthetics of knowledge without any actual tendency towards truth. It is automated denialism. Shame on every climate scientist promoting its use (there are lots)

The final Calvin and Hobbes, which appeared in papers 30 years ago today.

🚨 Postdoctoral Opportunity for Female Scientists🚨 The University of Vienna is awarding at least 20 fully funded 4 year postdoctoral positions to outstanding female scientists Interested? Get in touch via direct message careers.univie.ac.at/en/postdoc/e... #MicroSky 🧪 #PostDoc @univie.ac.at

AGU petition to save NCAR. Please share widely! agu.quorum.us/campaign/151...

Time to repurpose #AGU25 as a mass mobilization in support of NCAR, NSF, NOAA, NASA, USGS, DOE BER, and the Congressional power of the purse.

NCAR is quite literally our global mothership. Everyone who works in climate and weather has passed through its doors and benefited from its incredible resources. Dismantling NCAR is like taking a sledgehammer to the keystone holding up our scientific understanding of the planet. Unbelievable.

Exoplanet folks: we now have a separate Bluesky account for the BOWIE+ Seminar Series ( @bowieseminar.bsky.social ). If you are interested in links to videos of the talks and other updates going forward, give it a follow. #exoplanets #astronomy

A great talk by final-year PhD candidate Morgan Saidel about atmospheric escape from hot Jupiters around F stars, and what we can learn from a large survey of these planets. #astronomy #exoplanets www.youtube.com/watch?v=7jh6...

Cows aren't often spherical and neither are aerosols. Final-year PhD student Matt Lodge has investigated how non-spherical aerosols in exoplanet atmospheres impact their transmission spectra. Listen to him explain the implications here. #astronomy #exoplanets www.youtube.com/watch?v=uHIV...

The MPIA call for summer interns is now live! This is a great opportunity for bachelors & masters students from anywhere in the world to come an complete a three month, fully funded research project in beautiful Heidelberg. Check it out here: www.mpia.de/en/careers/i...

I see this a fair bit and I think it's representative of entire generations that just fundamentally do not understand building a network through your own actions (subscribing to feeds, following ppl) rather than having it handed to you by a corporation's secret algorithm

Information and traveler recommendations from @agu.org for #AGU25 regarding US "Federal presence in New Orleans": www.agu.org/agu25-neworl...

I'm sharing this again since I neglected to add #astronomy and #exoplanets, and I don't want you to miss out on the great work done by final-year PhD student Cyril Gapp.

It was great getting to share these exciting results as part of the BOWIE+ seminar series. Ariel has the potential to revolutionise our 3D understanding of exoplanet atmospheres, with a phase curve survey of ~100 targets within its reach. Let’s push to make it happen!

Dan Valentine (@danvalentine.bsky.social) has done some great work looking at using ARIEL to eclipse map exoplanet atmospheres. #exoplanets #astronomy www.youtube.com/watch?v=lrtL...

My family are useful canaries of what news the public actually sees from astro, and only yesterday did my mum ask me about a study (one article of many linked below) who said they "trained an AI" to simulate the Milky Way. This was NOT AI as how the public sees "AI", and this is disingenuous.

Journalist challenge: Use “Machine Learning” when you mean machine learning and “LLM” when you mean LLM. Ditch “AI” as a catch-all term, it’s not useful for readers and it helps companies trying to confuse the public by obscuring the roles played by different technologies. 🧪

As we are in the midst of job season, and as hiring committees no doubt ask themselves if applicants looked at the departmental webpage to see who works at their institution and what they do, it's a great time to make sure those websites are up to date. #astronomy

Lorena Acuna @astrolore.bsky.social combined beautiful JWST spectra with mass and radius measurements for a warm Saturn, finding evidence for either a hot interior or a very small core - both unexpected! arxiv.org/abs/2511.13483

and Evie Ahrer @eahrer.bsky.social wrote a Nature comment on the JWST revolution for exoplanet atmospheres, from CO2 and photochemistry on gas giants to the push to smaller/cooler worlds www.nature.com/articles/s41...

Lots of fun work out from APEx postdocs in the past week! first up was Sophia Vaughan @sophiavaughan.bsky.social on a deep search for reflected light from a hot Neptune w/ the VLT. This summed up light from ALL FOUR 8m telescopes over 2 nights- a preview of ELT-like data! arxiv.org/abs/2511.08691

If women are underrepresented in STEM, it's at least partly because men like this offer mentoring, then embarrass themselves by assuming their mentees must be into them, then decide the best solution is to cut ties, which sends the signal to other faculty that the mentee must not be good enough.

Interested in hearing about the 3D structure of silicate, chloride, and sulfide clouds on warm Jupiters? Nishil Mehta has you covered 👇 #exoplanets www.youtube.com/watch?v=P5Mf...

The care that has to be taken when analyzing transmission spectra of ultra-hot Jupiters due to 3D effects is always really fascinating. Here is Cyril Gapp's recent talk on his work on the ultra-hot WASP-121b and the cool things going on in its atmosphere. www.youtube.com/watch?v=nuZU...