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 ...

Scientists used the world's largest single-dish radio telescope to scan comet 3I/ATLAS for signs of extraterrestrial life, but found no artificial radio emissions.