The #JWST has revealed a previously unknown moon orbiting Uranus, bringing the planet’s total known moons to 29. This tiny satellite, provisionally named S/2025 U 1, was detected through a series of ten 40-minute exposures taken by Webb’s Near-Infrared Camera (NIRCam) on

Remember when we crashed a spacecraft into an asteroid? Scientists studied images from LICIACube, the Italian Space Agency's satellite, and found that 35.3 million pounds of rubble spewed from the asteroid, having a dramatic effect on its trajectory: go.nasa.gov/3JpfEEA

The ESA's Juice mission mission to Jupiter is on track for its gravity-assist flyby at Venus on 31 August, following the successful resolution of a spacecraft anomaly that temporarily disrupted communication with Earth. esa.int/Enabling_Suppo…

Results from the first part of our fourth LIGO EGO & the Virgo Collaboration KAGRA Gravitational Wave Observatory observing run are out today! We're pleased to share the largest catalog of gravitational-wave observations with more discoveries of black holes and neutron stars 📰 arxiv.org/abs/2508.18082 #O4IsHere #GWTC4

I'm sad to report that Rainer (Rai) Weiss passed away yesterday at age 92. Rai developed the design for LIGO, he and Kip got it funded, trained countless researchers, and received the 2017 Nobel Prize. Rai always had time for students and treated us as equals.

New images of interstellar Comet 3I/ATLAS! ☄️In these new images taken from @Geminiobs South in Chile, you can see the growing tail of the comet and the glowing coma. 🔗 noirlab.edu/public/news/no… Credit: International Gemini Observatory/NOIRLab/NSF/AURA/Shadow the Scientist

Astronomers using ALMA Observatory📡 have for the first time clearly mapped magnetic fields in the protoplanetary disk around TW Hydrae, a nearby young star, revealing that magnetism may be a critical hidden force in how planets form. By measuring subtle broadening in light from CN

Astronomers have for the first time managed to directly measure the size of the corona, a superheated halo of gas, around a distant supermassive black hole, by using an accidental “double-zoom” produced by cosmic alignment. The black hole in question, RX J1131, lies about six

Quiet please 🤫 planet formation in progress These images show disks of gas, dust, and other materials orbiting young stars. The disks may eventually coalesce into newborn planets. 📷: International Gemini Observatory/NOIRLab/NSF/AURA/T. Esposito (UC Berkeley)

An international team of scientists has launched ATREIDES, a program aiming to map exo-Neptunes, planets about 20 times Earth’s mass, in order to understand how planetary systems form and evolve, particularly through the “Neptunian desert,” “savanna,” and “ridge” regions of

A recent study is bringing us closer to understanding Earth’s inner core, how it formed, what it’s made of, and how it behaves, by narrowing down the likely combinations of elements and the conditions under which the core must have solidified. The inner core, long known to be

We have long been mystified by the appearance of perfectly circular radio-bright structures in space, dubbed “odd radio circles” (ORCs), which show up in radio wavelengths but vanish in optical, infrared or X-ray surveys. In a recent study, researchers focused on one such

Researchers have uncovered a surprising twist in Martian atmospheric chemistry: during the long, dark winters at Mars’s north pole, a frozen vortex forms that acts like an unexpected ozone shield. Inside this vortex, temperatures plunge some 40 °C below the surroundings,

Moon formation drama, a bit more understood 🌚 The NASA/ESA/CSA James Webb Space Telescope has found evidence of a ‘construction yard’ for moons around a large exoplanet, CT Cha b, which lies 625 light-years from Earth. Read more 👉esa.int/Science_Explor…

Our team revealed another Uranian moon, Ariel, as an ocean world. See the press release here: psi.edu/blog/evidence-… Download our paper here: sciencedirect.com/science/articl…

🆕 The discovery of new complex organic molecules at Saturn's #Enceladus enhances the likelihood that the moon is habitable 🪐 On Earth, these molecules are involved in chemical reaction chains that lead to the more complex molecules essential for life. Read more 👉

All eyes on #3I/ATLAS ☄️ Our Mars Express & ExoMars Trace Gas Orbiter will observe the comet around its closest approach to Mars on 3 October 2025, when 3I/ATLAS will be around 30 million km from the red planet. Stay tuned and follow esa.int/3IATLAS

An #asteroid passed just 300 km above Antarctica earlier today. It was not discovered until hours after close approach.