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