When the James Webb Space Telescope detected potential biosignatures in the atmosphere of K2-18 b last year, the discovery sparked intense debate. Here was a sub-Neptune exoplanet 124 light years away ...

Planets that once lived only in pulp novels and movie concept art are now turning up in real data. Astronomers are not just finding distant worlds, they are cataloguing places with molten surfaces, ...

From the first photographer star to the discovery of alien worlds, these night sky targets mark some of astronomy's greatest firsts. When you purchase through links on our site, we may earn an ...

Scientists have updated global guidelines for announcing possible evidence of intelligent alien life, aiming to prevent misinformation, panic and confusion in the age of social media and AI.

The afternoon of 7 August 1996 isn’t a time that sticks in many people’s minds. But if things had worked out differently, it might have been etched into our collective memory. At 1.15pm, US President ...

The science fiction genre is home to many fascinating, terrifying, and breathtaking worlds that stretch the limits of imagination, from the hive of scum and villainy that is Tatooine in Star Wars to ...