Latest Phil Christensen Stories
NASA and the Smithsonian's National Air and Space Museum will host a news conference at 10 am EDT, Friday, July 22 to announce the selected landing site for the agency's latest Mars rover.
LOS ANGELES, Nov.
If Martian life existed a few billion years ago, scientists think any plant-like microbes would have left behind a stringy fuzz of fibers. That's because here on Earth, researchers now say they have found such ancient fuzz, called cellulose, preserved in chunks of salt deposited more than 250 million years ago -- making it the oldest biological substance yet recovered. The announcement comes about a week after a team of planetary scientists announced discovering evaporated salt...
Applying techniques used to scope out caves on Earth to probe the possibility of caves on Mars is paying off.
Every spring brings violent eruptions to the south polar ice cap of Mars, according to researchers interpreting new observations by NASA's Mars Odyssey orbiter.
NASA has suspended use of one of the mineral-identifying tools on the Opportunity Mars rover while experts troubleshoot a problem with getting data from the instrument, the robot's miniature thermal emission spectrometer.
- A person who stands up for something, as contrasted to a bystander who remains inactive.
- One of the upright handlebars on a traditional Inuit sled.