The next full moon is a special supermoon. The first of three to occur this year. When to watch and what to know.

Copernicus proved the Earth and other planets orbit the sun, challenging centuries of belief and risking persecution for sharing his heliocentric view.

Scientists have discovered that the moon is getting 1½ inches (3.8 centimetres) farther away from the Earth each year. The distance was measured by scientists after bouncing laser beams off mirrors ...