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Martian gullies not all formed by flowing water
Some Martian gullies at the poles might have formed when a seasonal accumulation of carbon dioxide frost sublimed - turned directly from a solid to a gas.
December 2, 2011
View from space: Layers of atmosphere on the horizon
Gorgeous. See the layers of atmosphere above Earth's surface on the horizon of this view from the International Space Station.
December 1, 2011
Tiny worms might help humans get to Mars
Scientists have been studying tiny worms might someday help humans get to Mars. They sent 4,000 worms up on the space shuttle Discovery.
November 30, 2011
Solar sail mission might help clean up low-Earth orbit
NanoSail-D - carrying NASA's 1st-ever solar sail mission in low-Earth orbit - might pave the way for a clean-up of decommissioned satellites and space debris.
November 29, 2011
Cosmic rays from the heart of Cygnus
Young cosmic rays, with energies like those produced in powerful particle accelerators on Earth, are coming from the direction of the constellation Cygnus.
November 29, 2011
ChemCam instrument on Curiosity rover will seek Mars life
Scientists will use the ChemCam instrument on the Mars Curiosity rover to probe for Mars life. It'll focus highly intense, brief blasts of laser light on Mars' surface.
November 29, 2011
James Webb Space Telescope: 5 cool things to know
The James Webb Space Telescope is the next-generation space telescope, following Hubble. It's scheduled to launch in 2018. Here are 5 cool things to know.
November 28, 2011
Researchers study flames to understand exploding stars
Researchers study flames in the lab to gain insights into the titanic forces that drive supernovae - or exploding stars. They said their study has implications for understanding cosmic distances.
November 28, 2011
After successful launch, new 8-month mission to Mars underway
We're on our way to Mars. The spacecraft is in communication, thermally stable and power positive.
November 26, 2011
Topographic map of the moon is highest resolution yet
The highest resolution topographic map of the moon yet! It shows the ups and downs of over 98.2% of the entire lunar surface.
November 21, 2011
