Right now, somewhere above our heads, missions are being planned that could redefine humanity's place in space. The decisions ...

Bacteria that thrive on Earth may not make it in the alien lands of Mars. A potential deterrent is perchlorate, a toxic chlorine-containing chemical discovered in Martian soil during various space ...

Language and radio signals may not matter to aliens. Instead, they might be using patterns to leave a biological fingerprint.

There is currently no proof that the universe is home to other intelligent life forms aside from the ones that inhabit Earth, and evidence to the contrary ...

When some scientists and conspiracy theorists saw the strange trajectory of the space object 3I/ATLAS, some of them thought one thing: aliens. With a bizarre shape, an unusually precise trajectory, ...

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

A team of astronomers found no radio signals from the comet that would suggest it is an extraterrestrial spaceship. The comet was confirmed in July 2025 as the third known object to enter our solar ...