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 ...

An artist’s impression of exocomets orbiting the star Beta Pictoris. I do so love an ostentatious comet. As I wrote in a recent “The Universe” column, when these dusty ice balls are billions of ...

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 ...