"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

Scientists discover 26 new bacterial species in NASA cleanrooms, revealing surprisingly resilient microbes with potential ...

Genna quickly lives up to its name, with Dek running afoul of numerous alien creatures within moments of crashing onto the ...

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

New species are being discovered faster than ever before - at a rate of more than 16,000 every year, suggests a new study.

Following speculation that comets could have been alien spacecrafts, more and more experts in the field are convinced that ...

Yes, zombie creatures from another world could indeed land on a defenseless planet, but in a twist, it's the Earthlings who would be the invaders.

Just as slow and steady won the race between the tortoise and the hare, slow and deadly can also outwit the unwary. Many are ...

Researchers have confirmed the mass of a free-floating planet thanks to a lucky convergence of ground- and space-based ...

How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that ...

The world still holds its secrets. Hidden under wet rocks, in the ocean’s twilight crevices, and in the minutiae of the ...