When you hear that a giant, icy mass hurtling through space has entered our solar system, your mind might leap straight to aliens — and for some scientists, that possibility isn't entirely out of the ...

Never has a story quite made an alien invasion so agonizingly sedated as Invasion has, but alas, here it is in its third season. Simon Kinberg (X-Men film franchise and The Martian) and David Weil's ...

Around 1847, in colonial Calcutta, an unexpected visitor arrived, likely hidden in plant crates or trade goods from East Africa. The giant African snail (Lissachatina fulica) entered India without ...