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Heavy-lift rocket announced by NASA
The Space Launch System is a new heavy-lift rocket planned by NASA, similar to the Saturn V rockets that launched men toward the moon 40 years ago.
September 15, 2011
James Webb Space Telescope receives lifeline from U.S. Senate
A U.S. Senate committee has proposed to allow the embattled James Webb Space Telescope to launch. There are more political hurdles, but it's a step forward.
September 15, 2011
NASA image reveals Earth eclipse of the sun
Eclipse season for the Solar Dynamics Observatory begins twice a year near each equinox.
September 14, 2011
Goldilocks planet could support life, study shows
Astronomers say a newly discovered planet might have Goldilocks-like conditions - neither too hot nor too cold - for water and possibly life.
September 14, 2011
50 new exoplanets announced, including 16 super-Earths
At the Extreme Solar Systems conference this week in Jackson Hole, Wyoming, 350 experts talking about 50 new exoplanets.
September 13, 2011
Nearby brown dwarf has extreme weather, astronomers say
A gigantic storm raging on the surface of this brown dwarf might be like Jupiter's red spot - but even grander in scale.
September 12, 2011
GRAIL spacecraft launch success and moon-bound
The instruments on the twin GRAIL spacecraft lunar orbiters are so precise they can detect a change in the distance between them the size of a red blood cell.
September 10, 2011
Solar flare number 4 from Sunspot 1283!
The sun produced a fourth solar flare this week, two X-class flares, the strongest kind. Expect possible auroras, especially on the morning of September 11.
September 8, 2011
Top 10 tips for seeing the supernova
A cosmic explosion - a supernova - from 21 million light-years away has been in the news. To see it, find a star party and experienced observers.
September 8, 2011
Zoom in to star cluster NGC 2100 in Large Magellanic Cloud
A dazzling star cluster - NGC 2100 - lies in the Large Magellanic Cloud, a neighbor of the Milky Way.
September 7, 2011
