Aliens exist - they just haven't visited Earth, NASA veteran Dr Gentry Lee has claimed.

Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

If life ever existed on Mars, it might have looked like microfossils right here on Earth.

Scientists in Brazil have uncovered evidence of a previously unknown impact event recorded in hundreds of glassy fragments ...

The discovery of the molecules was made with Nasa’s Curiosity rover, which examined a Martian rock named Cumberland. This is ...

Sponges may be ancient, but their timeline has been murky. New research suggests the earliest sponges were soft and skeleton-free, explaining why their fossils don’t appear until much later. By ...

FBI investigators have identified the human remains found near the Salton Sea as a 17-year-old Riverside County girl who was reported missing last year.

Bring up aliens and a lot of people will scoff. But not everyone is laughing. Around the turn of the century, 3.8 million people banded together in a real-time search for aliens -- with screensavers.

Tiny insects trapped in amber could tell us a great deal about their roles in past ecosystems: pollinators, parasites, predators, and prey. But how many of the insects preserved alongside each other ...

Scientists at MIT have found compelling chemical evidence that Earth’s earliest animals were likely ancient sea sponges. Hidden inside rocks over 541 million years old are rare molecular “fingerprints ...

The scientists examined the lineages of two groups of bivalves—marine invertebrates that include clams, oysters, mussels, and ...

A barnacle evolved into a parasite and drills into sharks in the deep waters of Norway to feed and survive in silence.