Planning a New Way To Find Moons
Astronauts Release Baby Satellite
Space Specks May Be Alien Visitors
Astronauts Rely on Sleeping Pills
Cassini Sees Methane Clouds on Titan
Researchers are examining a new approach to hunt for moons in faraway solar systems. The plan is to use radio wave emissions, instead of starlight, to find previously undetected moons.
A tiny Peruvian research satellite was launched by spacewalking astronauts, who set it loose on a mission to observe Earth. The nano-satellite, named Chasqui, barely weighs two pounds.
There may be itsy-bitsy aliens among us. Scientists say seven microscopic particles collected by NASA's comet-chasing spacecraft, Stardust, appear to have originated outside our solar system.
You might think falling asleep in space would be easy. But new research suggests the majority of astronauts don't get enough asleep, and that what sleep they do get is chemically induced.
Flying past Saturn's moon Titan, NASA's Cassini spacecraft has caught a few glimpses of methane clouds speeding over the enormous moon's hydrocarbon seas in its northern polar region.