NASA's Asteroid Sample Return Mission Moves into Development
NASA's first mission to sample an asteroid is moving ahead into development and testing in preparation for its launch in 2016.
Russia Meteor Not Linked to Asteroid Flyby
New information provided by a worldwide network of sensors has allowed scientists to refine their estimates for the size of the object that entered that atmosphere and disintegrated in the skies over Chelyabinsk, Russia, at 7:20:26 p.m. PST, or 10:20:26 p.m. EST on Feb. 14 (3:20:26 UTC on Feb. 15).
NASA Rules Out Earth Impact in 2036 for Asteroid Apophis
PASADENA, Calif. — NASA scientists at the agency's Jet Propulsion Laboratory in Pasadena, Calif., effectively have ruled out the possibility the asteroid Apophis will impact Earth during a close flyby in 2036.
Study Reveals a Remarkable Symmetry in Black Hole Jets
Black holes range from modest objects formed when individual stars end their lives to behemoths billions of times more massive that rule the centers of galaxies. A new study using data from NASA's Swift satellite and Fermi Gamma-ray Space Telescope shows that high-speed jets launched from active black holes possess fundamental similarities regardless of mass, […]