President Obama's budget for NASA seeks to end its back-to-the-moon program, rely more heavily on private companies, and invest in new technologies for human space exploration.
02/01/2010 06:51 pm
Contrails from airplanes impact temperatures at Earth's surface. But do they raise or lower them?
02/01/2010 03:59 pm
A decline in stratospheric water vapor between 2000 and 2009 followed an apparent increase between 1980 and 2000, a team of scientists has found. That finding may have implications for global warming.
01/29/2010 06:52 pm
Spirit, one of NASA's Mars rovers, has been stuck in a crater for the past 10 months. NASA scientists say that if it survives the harsh Martian winter, it can be a valuable stationary research platform.
01/26/2010 05:17 pm
Asteroid impacts with Earth are a near-certainty, scientists say. The question is: What, if anything, should we do to track asteroids and protect Earth from them?
01/25/2010 03:12 pm
A periodic climate phenomenon, El Nino has prompted storms to smack southern California this week rather than the Pacific Northwest. But Indonesia and parts of Australia are also affected, except they're too dry.
01/22/2010 05:50 pm
A wireless connection on the International Space Station allowed NASA Flight Engineer T.J. Creamer to log on to Twitter.
01/22/2010 01:58 pm
Bring spring indoors with houseplants. Here's how to be a success.
01/19/2010 03:44 pm
NASA's Interstellar Boundary Explorer (IBEX) spacecraft recently detected a mysterious ribbon of particles at the edge of the solar system. Scientists now say it may have been formed by atoms reflected back into the solar system by the Milky Way's magnetic field.
01/15/2010 06:32 pm