NASA - National Aeronautics and Space Administration

NASA's Phoenix Mars Lander continues on course for its May 25 arrival at Mars.

The Ulysses mission operations team has won an international award for its outstanding contributions to the joint ESA/NASA observatory mission, now orbiting the poles of the sun.

Two decades of scrutinizing Saturn are finally paying off, as scientists have discovered a wave pattern, or oscillation, in Saturn's atmosphere only visible from Earth every 15 years.