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Hubble’s Dark Horse: New measurements of the Hubble constant from LIGO’s dark sirens
In the race to resolve the tension between cosmological and local measurements of the Hubble constant, another method enters the contest… using gravitational wave signals without an electromagnetic counterpart!!
Too Massive, Too Early… and Still Not Massive Enough?
What if JWST’s early massive galaxies are not overestimated, but underestimated? A bottom-heavy IMF could hide tons of mass in faint stars.
Admiring the Atmospheric Egg Shell of Sub-Neptune TOI-270d
Whether you’re a six-year-old scouring the backyard on Easter morning, or an exoplanet astronomer with observing time on the James Webb Space Telescope, nothing beats the feeling of finding what you’re looking for. So, you can imagine the authors of today’s paper were pretty excited when they received their transmission spectroscopy data of the sub-Neptune known as TOI-270d.
The April Fools Paper Review Process – 2026
There is a tradition in Astronomy to post silly science papers to the arXiv on Aprils Fools day. We’ve collected them all for 2026 and provided some “peer review”.
![[Beyond] Why Go Back to the Moon? Artemis II, Explained](https://astrobites.org/wp-content/uploads/2026/04/Artemis_II_patch-320x260.png)
[Beyond] Why Go Back to the Moon? Artemis II, Explained
Artemis II successfully launched on April 1st, 2026! But, why are we going back over 53 years later?
The Case of the Extremely Energetic Gamma Rays: an LS I +61 303 Mystery
In today’s bite, the LHAASO collaboration tackle a gamma ray mystery in the LS I +61 303 system, investigating just who (or what) might be responsible.
Beyond astro-ph
Astronomy beyond the research
#BlackInAstro Experiences: Phoenix-Avery Sarian
In today’s #BlackInAstro Experiences post, we sit down with Phoenix-Avery Sarian from The Ohio State University to talk about her experiences as an astronomer so far.
Meet the AAS Keynote Speakers: Dr. Seb Falk
Today we interview Dr. Seb Falk, Historian at University of Cambridge and Plenary speaker at #AAS246
Meet the AAS Keynote Speakers: Dr Saavik Ford
Today we interview Dr. Saavik Ford, a professor at the CUNY Borough of Manhattan Community College and a plenary speaker at #AAS246
Navigating careers in astronomy
Career advice
Overwhelmed with Grad School Decisions? Here are the Most Important Questions to Ask!
Are you overwhelmed with grad school decisions? Take a look at today’s article where we discuss what questions to ask to decide on a graduate school!
What’s a preprint, and how do I use it?
If you’re getting into research, you may have heard of arXiv. But what is it, and how should you use it? Today, we have a guide for just that!
#BlackInAstro Experiences: Dr. Chris Moore
As part of our #BlackInAstro series celebrating Black History Month, we interview Dr. Chris Moore @CMooreSpace, a research associate at the Harvard-Smithsonian Center for Astrophysics!