Harvard's Avi Loeb argues 3I/ATLAS shows signs of alien technology, from its 0.2% probability flight path to bizarre metal ...

Harvard's Avi Loeb warns interstellar comet 3I/ATLAS could be alien tech. Experts weigh in on planetary defence and the risks ...

But 3I/ATLAS is no ordinary rock – it’s a comet from beyond the solar system which greeted the Earth on December 19. It’s ...

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

New evidence from NASA, published in the journal Nature, shows that the Martian surface might be even less hospitable than ...

NASA data reveals the truth about interstellar object 3I/ATLAS as it reaches its closest approach to Earth this Friday.

The Kepler-22b reveal flips the storyline of the series. What started as a story about Earth going through a bizarre ...

There are huge gaps in our knowledge of how to survive space. A lab in north east England is trying to change that.

NASA’s Perseverance rover has spent years combing Jezero Crater for subtle traces of ancient microbes, but one of its most ...

Depending on who you ask — and what you’re willing to believe — aliens are real. And they’ve visited Vandenberg Space Force ...

"The discovery of interstellar objects over the past decade offers new opportunities for humanity to send time capsules to ...