Video: Mars Discoveries

If all goes well with the May 25 arrival of the Phoenix Lander on Mars, scientists expect some cool discoveries.

Cassini is extremely busy this holiday season and it's not because kids have been naughty or nice. Find out what new discoveries the spacecraft has made in the latest edition of News from Saturn.

Evidence of liquid water and new impact craters on the red planet.

Mission control highlights while Phoenix landed on Mars, interspersed with spacecraft animation.

Learn about the longest day of the year, plus viewing tips.

The Mars Reconnaissance Orbiter is providing unprecedented views as it studies the red planet.

It will be a real nail-biter on May 25, 2008, for engineers, as the Phoenix spacecraft performs a series of challenging maneuvers right before it lands on Mars.

On Saturday August 4, the Mars Phoenix spacecraft launched from Cape Canaveral, Florida.

The word 'cruise' implies that this is an easy phase of the mission, however nothing could be further from the truth.

Get a preview of the May 25 Phoenix landing on Mars and learn how the June launch of the Ocean Surface Topography Mission/Jason-2 spacecraft will provide a more detailed view of Earth's oceans....