Scattered between the orbits of Mars and Jupiter lies the main asteroid belt — a vast region filled with rocky remnants left over from the birth of the solar system. These objects, known as asteroids ...

The International Astronomical Union (IAU) currently recognizes five dwarf planets in our solar system, though there are likely many more. The most famous of the bunch is Pluto, way out beyond the ...

Other than fictional representations, like Harry Vanderspeigle in SYFY and USA Network's Resident Alien (now streaming on Peacock), as far as we know, life has only ever arisen here on Earth. But the ...