- December 23, 2025
The best space pictures of 2025, from supernovae to moon landings
The supernova remnant SNR 0509-67.5 as seen by the European Southern Observatory’s Very Large Telescope ESO/P. Das et al. Background stars (Hubble): K. Noll et
Putting data centres in space isn’t going to happen any time soon
Starcloud wants to build a data centre satellite that is 4 kilometres by 4 kilometres Starcloud Could AI’s insatiable thirst for colossal data centres be
Strange lemon-shaped exoplanet defies the rules of planet formation
An artist’s impression of PSR J2322-2650b NASA, ESA, CSA, Ralf Crawford (STScI) Astronomers have found what appears to be one of the strangest known worlds
Some Arctic warming ‘irreversible’ even if we cut atmospheric CO2
A glacier meets the sea in Dickson Fjord, Greenland Jane Rix/Alamy The Arctic will retain about 1.5°C of warming even if the carbon dioxide in
Killer whales and dolphins are ‘being friends’ to hunt salmon together
A Pacific white-sided dolphin approaching a killer whale, as recorded from a camera worn by the killer whale University of British Columbia (A.Trites), Dalhousie University
How worried should you be about screentime?
Marco_Piunti/Getty Images Wait, stop scrolling! How long have you been on your phone today? Is social media rotting your brain? We are constantly asking questions
Comet 3I/ATLAS from beyond solar system carries key molecule for life
Comet 3I/ATLAS is only the third known visitor to our solar system from elsewhere International Gemini Observatory/NOIRLab/NSF/AURA/Shadow the Scientist; J. Miller & M. Rodriguez (Intl
Black hole entropy hints at a surprising truth about our universe
Imagine you’re standing in front of a closed door. Behind it is a teenager’s bedroom, and your task is to rate how messy it is
Ancient humans took two routes to Australia 60,000 years ago
Ancient humans took two distinct routes to what is now Australia Helen Farr and Erich Fisher When and how ancient humans reached what is now
We might have just seen the first hints of dark matter
Mysterious radiation from the outer part of the Milky Way could be a sign of dark matter Triff/Shutterstock An unexplained glow that appears to emanate
