Spacecraft are assembled in specialized “cleanrooms” that are designed to avoid contamination from dust and microorganisms.

It’s a rerun of both the second and first movies, and is as dull as hell, except for the first third of the film.

A new study theorizes that evolution ticks at different speeds, especially when a big group of organisms first appears.

While late M-stars are the easiest places to find Earth-sized planets, a new study suggests they are biological dead ends where animal life may never find enough fuel to evolve.

Let me demonstrate what Xenopurge is with a quick story. I was on a mission to collect a package. My three squaddies were ...