Mars has never looked more like a planet built for hiding secrets. A cluster of eight vast, water-carved caves appears almost engineered to shield fragile chemistry, or even biology, from the brutal ...

New images from NASA 's Hubble Space Telescope have revealed an enormous, oddly shaped disk of gas and dust around a single ...

Today, Mars is known as the red planet, for its rust-colored desert landscape. Once upon a time, Mars was a very different ...

A new anomaly was discovered in 3I/ATLAS. The captured asymmetrical halo in the comet is now sounding planetary defence ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Tantalising signs of past microbial life showed up on Mars this year, but to truly know whether they contain the answer to ...

As NASA plans for long-term human missions beyond Earth, one question keeps resurfacing: how do you sustain life in places ...

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

It's one of life's biggest questions - are we alone in the universe? Now, one of Britain's top space scientists has declared ...

If humans are ever to land on Mars, they will need somewhere to stay—a protective shell that can shield them from the sun’s harsh rays. One possible answer: great, glassy domes of ice. Mars is rich in ...

Uri Geller alleges NASA is hiding alien remains tied to interstellar comet 3I/ATLAS, sparking debate amid scientific evidence that the object is a natural comet.