Get the latest news in earth science, heliophysics, astrophysics and planetary science from NASA's Science Mission Directorate.

Far north in the arctic, the AMASE 2009 expedition team is collecting samples of unique life that inhabits the glacial ice of Svalbard, Norway. The expedition is a test for technology that could one day be used in the search for life on Mars.

Fire conditions around JPL have continued to improve throughout the day, and the Lab is no longer threatened by the Station Fire.

The dust-filled disks where new planets may be forming around other stars occasionally take on some difficult-to-understand shapes.

Engineers for NASA's Mars Reconnaissance Orbiter project have stepped up the communication rate being received from the orbiter as an early step in the process of determining why the spacecraft spontaneously rebooted its computer on Aug. 26.

By modeling ice sheets in Antarctica, scientists have changed the way we think about Earth's transition 34 million years ago from warm 'greenhouse' to the current, cool 'icehouse'. The new study has important implications for how we understand climate change and its affects on the biosphere.

A discovery about the moon made in the 1960s is helping researchers with NASA's Gravity Recovery and Climate Experiment unlock secrets about Earth's ocean today.

Scientists are busy preparing for the "First Light" flight of NASA's Stratospheric Observatory for Infrared Astronomy, or SOFIA, a highly modified Boeing 747SP.

Chandra Studies Mysterious X-Ray Source

If you're wondering why the first launch attempt for space shuttle Discovery was scrubbed early Tuesday morning, here's your answer.