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Webb Telescope instrument passes test to withstand space rigors
The first of four instruments for NASA's Webb Telescope has completed cryogenic testing designed to mimic the harsh conditions of outer space.
August 19, 2011
Earth’s moon might be younger than we thought
Earth's moon was thought to be 4.57 billion years old, but a detailed analysis of lunar rock indicates it might be as much as 200 million years younger.
August 18, 2011
Carbon in space tentatively identified
Astronomers may have glimpsed graphene in space, providing a clue about how our carbon-based selves and other life on Earth developed.
August 18, 2011
Necklace Nebula in new Hubble image
The Necklace Nebula is 12 trillion miles wide, located in the constellation Sagitta.
August 12, 2011
Mars rover takes 3-year journey to rim of crater
NASA's Mars Exploration Rover Opportunity has reached the Endeavour crater to study clay minerals that may have formed at a warmer, wetter time.
August 11, 2011
X-class solar flare August 9. Aurora alert in coming days
The sun emitted an X6.9 or X7 flare on August 9, 2011. X-flares are the biggest flares. Some radio blackouts might occur. Aurora alert in the next few days.
August 9, 2011
Mars’ north pole at northern summer solstice
What's it like at the north pole of Mars, at the time of the northern summer solstice? Check out this image from ESA's Mars Express spacecraft.
August 7, 2011
James Webb Space Telescope in financial limbo, but science pushes on
The James Webb Space Telescope brings proven on-the-ground benefits as recently as July 2011. Plus - how you can help save this project.
August 7, 2011
Sun packs double punch: Solar flare effects to reach Earth tonight
Aurora alert! The combined effects of two solar flares will reach Earth around 23 UTC on August 4. That is 7 p.m. EDT tonight. No major problems expected.
August 4, 2011
Alfred McEwen: Possibility of flowing salty water on Mars
Thousands of dark, finger-like features extend down slopes during late spring and summer on Mars. Alfred McEwen said it might be salty water flowing today.
August 4, 2011
