An asteroid hit Earth hours after it was detected, evading NASA's early warning system, in the third close call of its kind ...

An image released from the European Space Agency (ESA) shows a rare perspective of Earth 180 million miles away on Mars.

Disney's D23 convention is currently in full swing in Brazil and fans in attendance have been treated to some teases of ...

Since its inception on April 29, 1999, NASA's Earth Observatory (EO) has published over 18,000 image-driven stories, ...