1,529 results
- Planetary Science
Dispatch from Mars, Sol 4
The good news is a tentative sighting of ice by the Mars Phoenix Lander. The bad news is the discovery of a glitch in the system that will analyze soil samples.
- Earth
Defining Toxic: Federal agencies look to cells, not animals, for chemical testing
Government scientists are collaborating to shift the testing of potentially toxic chemicals away from animals to methods that use high-speed automated robots, which should generate data relevant to humans faster and more cheaply than current methods.
- Space
New light on moon water
Kaguya, a Japanese spacecraft orbiting the moon, finds that a south pole crater called Shackleton has no visible signs of ice.
- Space
Phoenix gets ready for work
After a day’s delay, scientists successfully sent up commands to unstow the robotic arm of NASA’s Phoenix Mars Lander.
- Space
Martian dig delayed
The Phoenix Mars Lander was in good health after its safe May 25 landing on the Red Planet, but a communication problem delayed plans to unlatch its robotic digging arm.
- Planetary Science
See how it lands
A camera on a Mars-orbiting spacecraft caught an image of NASA's Phoenix Mars Lander suspended from its parachute just before it descended onto the Red Planet’s northern plains on May 25.
- Physics
Microswimmers make a splash
Researchers study secrets of microbes' locomotion and how to mimic that movement.
- Astronomy
A Phoenix on Mars
A new robotic lander will search the north polar region of Mars for habitability.
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- Physics
Decoding the Quantum Mystery
An essay by Tom Siegfried, SN's Editor in Chief, explores how signals from space to Earth could establish the reality of Einstein's worst fear.
- Health & Medicine
Testing nanoparticles
Testing the toxicity of dozens of nanoparticles en masse may offer a faster track to medical applications.
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Crustacean shuffle
A twisted joint might have made all the difference to scurrying crabs as they diverged from their clunky lobsterlike brethren.
