Aliens
Aliens can refer to everything from little green men in the sci-fi realm to microscopic life forms beyond Earth. For all these possibilities, Live Science has you covered. We break down the latest discoveries that hint at life on other planets and the state of scientific searches for such extraterrestrial life. Sometimes, we may dissect a "little green man" sighting as well.
Latest about Extraterrestrial Life
'Anomalous' metal spheres unlikely to be alien technology, despite Harvard scientist's claim
By Joanna Thompson published
A prominent extraterrestrial-hunting scientist thinks that more than 50 tiny, metal spheres pulled from the Pacific Ocean might be the work of intelligent aliens. Others are skeptical.
Aliens might be using a nearby supernova to get our attention, new study suggests
By Briley Lewis published
SN 2023ixf is the closest supernova to Earth in more than a decade — and the perfect excuse for intelligent aliens to get our attention, new SETI research suggests.
Scientists discovered a crucial element for life gushing out of Saturn's icy ocean moon
By Briley Lewis published
Astronomers have confirmed the presence of phosphates — a crucial ingredient for life — in a plume of icy water gushing out of Saturn's moon Enceladus.
Repeated signals from the center of the Milky Way could be aliens saying hello, new study claims
By Stephanie Pappas published
A new search for extraterrestrial life has scientists looking inward — toward the center of our galaxy.
NASA concludes first-ever public UFO briefing. What did we learn?
By Brett Tingley published
The government is investigating hundreds of military UFO reports, but only a small fraction are truly "anomalous."
Earth may have debris from alien star systems trapped in its orbit, new research suggests
By Robert Lea published
A new study questions if our planet could capture rocky and icy visitors from outside the solar system — and how scientists could spot them.
James Webb telescope discovers gargantuan geyser on Saturn's moon, blasting water hundreds of miles into space
By Isobel Whitcomb published
The James Webb Space Telescope caught Saturn's icy moon Enceladus spraying a 'huge plume' of watery vapor far into space — and that plume may contain chemical ingredients for life.
'Leaking' cell phone towers could lead aliens straight to Earth, new study suggests
By Stephanie Pappas published
Advanced alien civilizations could probably already tell that there's intelligent life on Earth, thanks to our cell phone towers.
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