In a major celestial discovery, NASA has located a new interstellar comet that''s currently located about 420 million miles (675 million km) away from Earth.

The auction house Sotheby's is putting up a rock from Mars for sale this month. Listed as NWA 16788, this rock is a meteorite ...

Most Americans are all familiar with the reason we celebrate July Fourth as Independence Day. But do you remember these other ...