Draconid meteor shower viewing is potentially much more exciting this year, as Earth is expected to hit some tendrils of comet dust head-on. But the peak is Saturday afternoon.
Moonquake data collected in the Apollo era were supposed to help scientists understand what lay beneath the moon's crust. But only now do scientists have the know-how to unravel the answers.
An analysis by the Union of Concerned Scientists suggests that just about everything that the Air Force's new X-37B robotic space plane can do could be done using cheaper technology.
Meteor shower August 2010 peak comes early Friday. Emanating from the constellation Perseid, the meteor shower could yield sightings in some locations of up to 75 meteors an hour.
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.
The gamma ray telescope, slated to launch soon, could yield insights into such mysteries as dark matter.