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 ...

A bumpy snailfish, Andean mouse opossum and ancient sea cow were just some of the many species described in 2025.

Until now, scientists believed that Mars’ skylights – pits in the surface of mars – were formed by volcanic activity. But ...

Biologists are quietly rewriting what it means to be alive, and the human body has become one of their strangest frontiers.

In many Western contexts, organized religion is declining, often due to hypocrisy, politicization or shallow faith. But ...

The year's top paleontological wonders ranged from a 540-million-year-old penis worm to a decades-old rodent impression.

A Reddit user shared a mind-blowing video of wild mushrooms growing, and people can't get enough of the mesmerizing footage.

When Kate Middleton handled a small piece of rock at London’s Natural History Museum she became one of the few people on ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

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 ...