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

May the faint chemical signals drifting through the atmosphere of a distant world be the long-sought message that we are not alone. Astronomers have reported seeing an unusual and strong combination ...

One of Britain’s most prominent space scientists believes humanity may finally get an answer to one of its oldest questions within the next few decades. Maggie Aderin-Pocock says she is “absolutely ...

As far as underwhelming headlines go: "No Alien Life Found on Comet" must rank very close to the top. An article with this title appeared in the Guardian on July 6 in response to a story claiming that ...