When scientists search for life beyond Earth, Mars usually gets most of the attention. But another world may offer an even ...

For decades, humanity has listened to the cosmos, hoping that somewhere among the stars another civilization might be trying ...

A rocky world orbiting within its star’s habitable zone may be surrounded by a helium-rich atmosphere, providing the ...

Technosignatures are theoretical signs of technologically advanced alien civilizations, but so far, none of those civilizations have phoned home. Researchers from the Search for ExtraTerrestrial ...

A new study published in the journal Astrophysical has outlined a novel method that could be used to detect advanced alien civilizations remotely. The premise is to look for signs of nuclear fusion on ...

Two rovers have had big breaks over the past few years in the case of whether Mars ever hosted life. Curiosity, which is exploring Gale Crater, conducted a chemistry experiment on a rock sample that ...

A self-proclaimed time traveller claims aliens will make contact in 2028, sparking online debate. His assertions, made during ...

In the endless search for technosignatures—signs from some technologically advanced intelligent alien civilization—we've done everything from monitoring radio arrays to hypothesizing about whether ...