Latest principal investigator Stories
NASA will return to Mercury for the first time in almost 33 years on January 14, 2008, when the MESSENGER spacecraft makes its first flyby of the Sunâ€™s closest neighbor, capturing images of large portions of the planet never before seen.
NASA's New Horizons spacecraft has provided new data on the Jupiter system, stunning scientists with never-before-seen perspectives of the giant planet's atmosphere, rings, moons and magnetosphere.
On Monday, NASA selected for concept study development two proposals for future robotic missions to Mars. These missions would increase understanding of Mars' atmosphere, climate and potential habitability in greater detail than ever before.
One day, humans will land on Mars, and when they do, a message will be waiting for them.
Recent studies conducted at the San Francisco VA Medical Center suggest two possible mechanisms for the widely recognized link between depression and adverse outcomes in patients with coronary heart disease: lack of adherence to medication regimens and increased levels of norepinephrine, a stress hormone.
The rovers Spirit and Opportunity have been exploring the surface of Mars for nearly a year. Principal investigator for the science package on the Mars Exploration Rovers, Steve Squyres, talks about the future of the Spirit rover and what has been learned so far from its exploration of Gusev Crater.
- A bereavement by loss of parents or children; the state of being orbate; orbation.