If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...

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 ...

Scientists studying interstellar comet 3I/ATLAS say it may be older than the Sun and could have formed around a star that no ...

Some scientific breakthroughs may be lost to time due to scandal and redaction, while others are simply a case of waiting for ...

A metallic-looking rock sitting on the Martian surface has jolted a mission that was already rewriting what we know about the ...

The past year won't be remembered as one that marked a record of important space missions, but one when the foundations for ...

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 ...

A viral video claims 3I/ATLAS breaks physics, but extensive scientific evidence shows it conforms to known comet behaviour; ...

Nieves penitentes appear as sharp, spiky protrusions reminiscent of the white hats worn by penitents during penance. Their ...