Aliens have long been a staple of science fiction. Yet the possibility of intelligent life beyond Earth is more than a matter of imagination—it is also a subject of serious scientific inquiry.

A privately funded space telescope with a mirror larger than Hubble’s could soon investigate 27 distant giant planets using a ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. The Milky Way galaxy has more than 400 billion stars in it. Over the last few decades, ...

Beta Pictoris b appears to have an aurora caused by a powerful magnetic field. If confirmed, it would be the first such field known outside our solar system. By Jonathan O’Callaghan Radio waves ...

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known exoplanets that may have the right conditions to support life. Using new ...