<p>NASA will celebrate the 42nd anniversary of Earth Day this week with several live and online activities to engage the public about the agency’s mission to use space to explore
<p>NASA scientists will be tracking asteroid 2005 YU55 with antennas of the agency’s Deep Space Network at Goldstone, Calif., as the space rock safely flies past
<p>Two studies appearing in the Aug. 25 issue of the journal Nature provide new insights into a cosmic accident that has been streaming X-rays toward Earth since late March. NASA’s
<p>For backyard stargazers, the next few nights are the best time to see green Comet 103P/Hartley 2 as it approaches Earth for an 11-million-mile close encounter on Oct. 20th. </p> <p>The
<p>[<strong>Update: October 13:</strong> <em>Asteroid 2010 TD54 flew within the orbit of the moon on Oct. 11 while astronomers watched to see if the encounter caused any quakes on the space
<p>NASA scientists have discovered water molecules in the polar regions of the moon. Instruments aboard three separate spacecraft revealed water molecules in amounts that are greater than predicted, but still
<p>NASA’s Lunar Reconnaissance Orbiter launched at 5:32 p.m. EDT Thursday aboard an Atlas V rocket from Cape Canaveral Air Force Station in Florida. The satellite will relay more information about
NASA Celebrates Sun-Earth Day With Illuminating Webcast <p>NASA scientists will reveal new information and images about our sun and its influence on Earth and the solar system for Sun-Earth Day, recognized