Jumping spiders: Facts about the cutest arachnids on the planet

An astronomer claims he has found the fabled Planet Nine after spending thousands of hours looking through 38-year-old satellite data, and he wants others to go hunting for this hypothetical planet in the far reaches of the Solar System

NASA's Perseverance rover on Mars just collected its 3rd sample of the Red Planet (photos)

Astronomers May Have Discovered a Planet in Another Galaxy