The interstellar object 3I/ATLAS has ignited debate on whether it's a rare comet from a distant star or an alien probe.

Hubble’s new detection shows a planet circling a star in one of the most unlikely environments ever recorded. The readings suggest a world surviving conditions that should have destroyed it long ago.

In 1965, twelve astronauts vanished into deep space on a mission Earth never acknowledged—sent to live among aliens on a planet called Serpo. What they found was a world of impossible tech, but not ...

An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

Scientists at Durham University are helping to develop a new type of camera intended to help search for life on distant planets. Researchers there are part of a UK team designing a high-resolution ...

The ESA's Mars probe, TGO, captured the closest images ever of the interstellar comet 3I/ATLAS, improving its trajectory ...

Telescopes on Earth, along with multiple cameras in space, have captured a whole gallery of new imagery of this alien visitor ...

A viral 'leaked' photo of interstellar comet 3I/ATLAS is stirring conspiracy theories, but Hubble's blurry views, expert ...

NASA officials dismissed theories that the interstellar 3I/ATLAS could be an alien spaceship while dropping new photos of the ...

The eye-opening photos, which were taken “during a number of the agency’s missions,” will be unveiled on Wednesday, November ...

NASA released fresh images on Wednesday of the interstellar object called 3I/ATLAS that astronomers have determined is a ...