For a few months, Earth had a second moon — a tiny asteroid that may have been a piece of our own Moon ...

Our top picks of the best pet vacuums include cordless, upright, handheld, and robot models that easily suction up fur, ...

Scientists have discovered a new type of planetary collision called “kiss-and-capture,” where Pluto and proto-Charon briefly connected and spun together before separating into their current orbital ...