European Space Agency

The Aral Sea is shrinking, leaving a dried-up white lakebed where there used to be blue water. But in the eyes of a radar satellite, the sea's shores look like a colorful abstract painting.

The first-ever soft landing of a robotic probe the surface of a comet has just been named the top scientific breakthrough of 2014 by the journal Science.

For the first time in history, a spacecraft built on Earth has softly landed on the face of a comet speeding through deep space.

A European probe is expected to make an audacious landing on the face of a comet tomorrow (Nov. 12), and you can follow it live online starting today (Nov. 11).

Supposed evidence of gravitational waves from the dawn of time may actually be the signature of dust and gas in our own Milky Way galaxy, a new study reports.

Mars Express — the first European Space Agency spacecraft built to investigate another planet — has been snapping color and 3D images of Mars for 10 years.