-
Purple bacteria could be key to finding extraterrestrial life on exoplanetsOn many exoplanets, the best clue that life is present may be a purple hue. New research into some of Earth's most extreme bacteria explains why.
-
Seismic reading linked to 'alien technology' by Harvard professor likely came from a passing truck, study claimsAvi Loeb has suggested that metallic spherules found at the bottom of the Pacific Ocean could have alien origins. But a new study suggests he may have been misled by a seismometer that picked up the rumbles of a passing truck.
-
US government wanted to reverse-engineer alien ships — but never found any, Pentagon UFO report revealsA long-awaited Pentagon report says there is "no verifiable evidence" of the U.S. government encountering or concealing evidence of alien life.
-
World's 1st 'conversation' between humans and whales could help us talk to aliens someday, scientists claimResearchers are studying humpback whale communication systems to learn how to detect and interpret extraterrestrial signals from outer space.
-
Scientists are searching for alien signals at frequencies never studied beforeThe search for extraterrestrial intelligence (SETI) continues as scientists look to low-frequency radio waves that have long gone unexplored.
-
'Alien' spherules dredged from the Pacific are probably just industrial pollution, new studies suggest
Last summer, a Harvard professor claimed tiny pellets of iron came from beyond our solar system. But new analyses suggest that they likely originated much closer to home.
-
What's the best evidence we've found for alien life?Don't expect an alien invasion anytime soon.
-
Alien life may evolve from radically different elements than human life didRadioactive metals and even certain gases may be capable of the kinds of reactions needed to spur life, new research suggests.
-
Scientists created AI that could detect alien life — and they're not entirely sure how it worksThe new machine-learning algorithm can distinguish between biological and nonbiological samples with 90% accuracy. Exactly how is a mystery.
