Blue Planet: Earth is known as the Blue Planet because of its bright blue appearance when viewed from space. This colour comes from the huge amount of water that covers around 71% of its surface in ...

Several billion years ago, tiny little creatures called cyanobacteria may have changed the colour of the ocean.

A recent photo from the Cassini spacecraft shows the mighty planet Saturn, and if you look very closely between its wing-like rings, a faint pinprick of light. That tiny dot is Earth bustling with ...

It wasn't until 1946 that humans first saw what the Earth looked like from space. These iconic images of our planet now include "Blue Marble," "Pale Blue Dot," and "Earthrise." The farthest is from ...

See that little dot up there, in the upper right of that photo? That’s the planet Earth, as photographed from about 3.7 billion miles away 35 years ago Friday, on Feb. 14, 1990. “That’s home,” famed ...

NASA's OSIRIS-APEX spacecraft captured stunning new images as it whipped past Earth during a high-speed slingshot maneuver, ...