In 1980, the Supreme Headquarters Alien Defence Organization covertly defends Earth against threats from a dying ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

NASA has temporarily stopped its most ambitious search yet for signs of alien life, after two years of picking apart data ...

Exceptionally preserved fossils from the Ediacaran period challenge what scientists thought was possible in sandstone. In the fossil record, creatures without hard shells or skeletons, such as ...

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory ...

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...

By studying large language models as if they were living things instead of computer programs, scientists are discovering some ...

The search for life beyond our solar system heated up this year when scientists reported a tantalising signal from an exoplanet of a molecule that is known to be produced exclusively by life on Earth.

3I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar ...

NASA’s James Webb Space Telescope has found the most compelling evidence to date that a rocky planet beyond the solar system may have an atmosphere. Although it’s not Earth-like, a planet called ...