ALIEN-HUNTERS have narrowed down their 21-year-search for extraterrestrial life to 100 “signals of interest”. The mammoth ...

Advanced aliens could be chatting with each other using light flashes in plain sight, similar to how fireflies communicate, ...

For decades, scientists have tried to turn the question of alien life from late-night speculation into something you can ...

In the vast, quiet theatre of deep space, not many things capture the human imagination like a traveler from another world. For months, the arrival of 3I/ATLAS has sparked a firestorm of speculation ...

The Milky Way's satellite galaxies are less typical than previously thought. Most Milky Way-like galaxies have star-forming satellite galaxies, unlike our own. The Milky Way's unique satellite galaxy ...