Public fascination with alien visitors has surged again after a cryptic response from the Central Intelligence Agency about ...

A new study theorizes that evolution ticks at different speeds, especially when a big group of organisms first appears.

Earth,” is crashing into a building near us, bringing gross aliens old and new, suspicious synths, terrified (and bloody) ...

Players do get little glimpses of the Xenomorph before this point — they'll witness it kill an NPC with its tail, hear it ...

Some animals living on Earth appear so unusual that they are often compared to aliens. Their shapes, movements, and behaviors challenge common ideas of what life should look like. Scientists explain ...