Apollo 11 astronauts were the first to leave footprints on the moon.
The solar system has a sense of humor: A decade from now, on Friday, April 13, 2029, a large asteroid will streak across the sky — but it's a cause for excitement, not fear, scientists say.
Beyond Neptune, the Kuiper Belt is a vast region of icy objects called Kupier Belt Objects (KBOs), including dwarf planets Pluto, Eris, Maumea and Makemake — and possibly a true ninth planet.
Going to the moon is hard, and Israeli nonprofit SpaceIL is one of a handful of organizations that knows exactly how hard.
The aviation giant aims to take astronauts to the International Space Station in a capsule that is similar to Apollo spacecraft.
Rigel is the brightest star in Orion, and will eventually explode into a supernova, most astronomers say.