From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Historically, many scientists and society have been fascinated by the prospect of making contact with extraterrestrial ...

The European Space Agency is moving ahead with one of its most ambitious missions yet. It is planning a dedicated journey to Saturn’s icy moon Enceladus, a world believed to hold a vast ocean beneath ...