The European-led LIFE mission aims to use spacecraft in formation to look for biosignatures.

A US fighter pilot, rescued after being shot down over Iran, reported seeing an unusual formation of Iranian drones before ejecting. As Washington and Tehran engage in negotiations, the implications o ...

As promised, Valve has released top-down co-op shooter Alien Swarm on Steam, free of charge. Have fun! https://kotaku.com/valve-unleashes-an-alien-swarm-on-steam ...

Our world is threatened with an imminent invasion from a swarming alien menace. And there is only one hero brave enough, smart enough and tough enough to fight back - Ben Tennyson!