Evidence found for granite on Mars
Researchers now have stronger evidence of granite on Mars and a new theory for how the granite – an igneous rock common on Earth—could have formed there, according to a new study. The findings suggest ...
Misleading mineral may have resulted in overestimate of water in moon
The amount of water present in the moon may have been overestimated by scientists studying the mineral apatite, says a team of researchers led by Jeremy Boyce of the UCLA Department of Earth, Planetary and ...
Health risks of Mars mission would exceed NASA limits
Efforts to send humans to Mars would likely expose them to health risks beyond the limits of what NASA currently allows, an independent panel of medical experts said Wednesday.
Mars rover Curiosity scoops, detects bright object
NASA officials say the Curiosity rover has made its first scoop of the surface of planet Mars and has detected a bright object on the ground.
Scientists discover satellites captured Chelyabinsk meteor debris trail
Rosetta measures comet's temperature
(Phys.org) —ESA's Rosetta spacecraft has made its first temperature measurements of its target comet, finding that it is too hot to be covered in ice and must instead have a dark, dusty crust.
Researchers propose new theory to explain seeds of life in asteroids
(Phys.org) —A new look at the early solar system introduces an alternative to a long-taught, but largely discredited, theory that seeks to explain how biomolecules were once able to form inside of asteroids. ...
Memory reformat planned for Opportunity Mars rover
(Phys.org) —An increasing frequency of computer resets on NASA's Mars Exploration Rover Opportunity has prompted the rover team to make plans to reformat the rover's flash memory.
The sun also flips: 11-year solar cycle wimpy, but peaking
(Phys.org) —In a 3-meter diameter hollow aluminum sphere, Cary Forest, a UW-Madison physics professor, is stirring and heating plasmas to 500,000 degrees Fahrenheit to experimentally mimic the magnetic ...
Simulations show Mercury may have been victim of hit-and-run collision
First ring system around asteroid: Chariklo found to have two rings
Observations at many sites in South America have made the discovery that the asteroid Chariklo is surrounded by two dense and narrow rings. This is the smallest object by far found to have rings and only ...
Early Mars may not have been hospitable after all: study
Instead of a warm, wet and possibly life-bearing planet as some scientists contend, early Mars may have been a hostile and volatile place with frequent volcanic outbursts, a study said Sunday.