For decades, scientists engaged in the Search for Extraterrestrial Intelligence (SETI) have probed the galaxy for signs of ...
Planets lacking plate tectonics and sufficient carbon dioxide and oxygen could make advanced civilizations like ours ...
It’s one of the most longstanding questions in biology: how did life first arise? Research on the topic abounds, but there’s no one accepted answer. And according to one new paper, the chances that ...
Airport radars emit signals that travel far beyond our atmosphere. A recent study reveals these emissions could reveal our presence to potential extraterrestrial observers. This research, presented at ...
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 ...