Science - SPACE.com

The quest to fly the first solar sail spacecraft is back on, with scientists once again hoping they can harness the energy of light to power a ship through space despite earlier failures. Full Story »

A Russian rocket launched into space Tuesday carrying a brand-new docking port for the International Space Station. Full Story »

A new Russian room that doubles as a docking port for the International Space Station is ready for a planned Tuesday launch toward the orbiting laboratory. Full Story »

The brightest lights in the universe often come from the blackest pits of deep space. Full Story »

A small chunk of space trash made an uncomfortably close pass by the International Space Station late Friday, but not close enough to force the astronauts aboard to take shelter in their Russian lifeboats. Full Story »

A Seattle-based team has won $900,000 in this year's Space Elevator Games, a NASA-sponsored contest to build machines powered by laser beams that can climb a cable in the sky. Full Story »

When a NASA spacecraft rammed into the moon in October, it tossed up a hard-to-see plume of lunar material. Full Story »

The amount of junk floating in space is getting out of hand and the United States must step up its effort to control orbital trash, experts are saying. Full Story »

A small piece of space junk will fly uncomfortably close to the International Space Station late Friday and may force astronauts aboard the outpost to take shelter in their Russian lifeboats. Full Story »

A new survey has found 22 of the earliest galaxies to form in the universe, confirming the age of one at just 787 million years after the theoretical Big Bang. Full Story »