We’ve discovered the most massive black hole yet
Scientists have identified an ultramassive black hole billions of light years away IgorZh/Shutterstock A gargantuan black hole hiding in a…
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Astronomers gather more clues about interstellar comet 3I/ATLAS
A Hubble Space Telescope image of the interstellar comet 3I/ATLAS. Background stars appear as streaks because the telescope was tracking…
A planet the size of Saturn could orbit the nearest Sun-like star
Artistic concept of what the gas giant orbiting Alpha Centauri A could look like ESA/Webb Copyright: NASA, ESA, CSA, STScI,…
6 of the most fascinating moments in the life of our solar system
The workings of our solar system are roughly the same now as they have been for millions of years. Moons…
Oldest fast radio burst ever seen sheds light on early star formation
Magnetars, which are a kind of neutron star, may be the source of fast radio bursts Science Photo Library/Alamy A…
New moon discovered orbiting Uranus is its smallest one
Astronomers have found a new moon nested among the 28 others near Uranus NASA, ESA, CSA, STScI, M. El Mou…
How AI poisoning is fighting bots that hoover data without permission
Gone are the days when the web was dominated by humans posting social media updates or exchanging memes. Earlier this…
GPT-5’s modest gains suggest AI progress is slowing down
GPT-5 is the latest version of OpenAI’s large language model Cheng Xin/Getty Images AI’s latest step forward isn’t so much…
Tiny discs can levitate in the upper atmosphere using sunlight alone
An illustration of solar-powered levitating discs Schafer et al. Nature Fingernail-size discs that levitate in sunlight could someday carry sensors…
Jacket that gets thinner when you sweat could help avoid overheating
The jacket is thicker when dry (left) and thinner when moist (right) Xiaofeng Jiang/Nanjing University of Aeronautics and Astronautics 2023…