Perched atop a modified 747 jumbo jet, the Space Shuttle Enterprise greeted the Big Apple by zooming past the Statue of Liberty and flying along the Hudson River.
The first lava ever seen in an extraterrestrial environment was spotted recently by scientists. It indicates that Mars was shaped by volcanic activity.
NASA's Cassini orbiter has spotted strange objects punching holes in Saturn's outermost ring.
From asteroid mining to space station taxis, a handful of billionaires have big plans for the final frontier.
Envisat, a massive European satellite that lost contact with the ground earlier this month has been photographed by a French satellite.
A new company backed by some of the world's most prominent billionaires, including three Google executives, plans to mine near-Earth asteroids for precious metals.
Clear skies and the absence of a bright moon this past weekend made for a spectacular Lyrid meteor shower, which dazzles skywatchers around the globe.
Humongous space explosions known as gamma ray bursts have been ruled out as a source of the universe's most intense cosmic rays, a new study has found.
A spectacular solar flare erupted on the sun Monday, kicking up a massive amount of plasma.