For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp ...

While idea may violate Occam’s razor, “it remains a speculative but logically open alternative,” says biologist Robert Endres ...

Since the first Search for Extraterrestrial Intelligence (SETI) experiment in 1960, scientists have been scanning the Milky Way for signs of advanced alien civilizations. They have looked for unusual ...

A wild new theory has claimed the origins of life on Earth were delivered by aliens who were terraforming the planet into a habitable world billions of years ago. Robert Endres, a scientist from ...

Where are all the aliens? No, I don’t mean microbes on Mars or creatures swimming beneath the ice crusts of Europa or Enceladus, but honest-to-God intelligent aliens, capable of space travel? Corbet’s ...

It's one of the biggest unanswered questions in science: if there's life beyond Earth, why hasn't it contacted us yet? Now, a scientist claims to have the answer – and it suggests aliens are more ...

After searching 100,000 galaxies for signs of highly advanced extraterrestrial life, a team of scientists using observations from NASA's WISE orbiting observatory has found no evidence of advanced ...

For more than 60 years, scientists have been scanning the skies for signs of intelligent life beyond Earth. Using powerful telescopes, they have searched for unusual radio signals, brief laser flashes ...

The discovery of a mysterious interstellar object called "3I/ATLAS" and its transit through our solar system has set off all kinds of speculation about whether the fairly massive visitor could be some ...