This large figure is not usually described as a dipper in most stargazing guides.

Government watchdogs set shuttle fleet's retirement as a priority for president-elect.

Radiation force shields may leap from science fiction to fact via magnetic fields.

It's time for a space traffic management system, some experts say.

NASA astronauts are preparing for some orbital makeover work aboard space station.

India's first moon probe has arrived in lunar orbit.

U.S. President-elect Barack Obama faces key decisions for NASA once he takes office.

Plan designed to achieve more, cost less, and engage the world.

Humanitarian groups are using satellite images to scan track atrocities in Darfur.

During the dark hours before dawn on Sept. 9, 2008, a surprising flurry of meteors had showered the skies.