The minute players step into one of the tactical shooterDarkSwarm's procedurally generated missions, they are confronted by the titular Swarm: parasitic aliens who take a variety of forms. The Swarm ...

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 ...

As per a new study, Dyson spheres around faint stars in the galaxy could offer new techno-signatures clues.

I do so love an ostentatious comet. As I wrote in a recent “The Universe” column, when these dusty ice balls are billions of kilometers from the sun, they’re frozen solid. But as they near our star on ...