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

Ultimate Spider-Man has been one of the best Marvel books in years, and one of the most shocking aspects has been Peter's son ...

Animals have evolved crab-like bodies at least five times throughout history, a process known as carcinization.

Could Homo sapiens and an archaic and now-extinct species of early human have lived alongside each other on the Indonesian ...