Lunar eclipse: Early Saturday morning, skywatchers in parts of North America saw a shadow pass across part of the nearly full moon as it hung low on the horizon.
Lunar eclipse: Observers in the western and central North America get a view of a full moon with the earth's shadow passing over it in a partial lunar eclipse.
A new study of some of the chemical compounds present on the Jupiter's moon, Io, finds that it really stinks.
Space shuttle missions STS-133 and STS-134 could be pushed back a few months, if NASA's request to delay the program's final two missions is approved.
Monster black holes at the centers of galaxies tend to 'light up' – throwing out massive amounts of radiation – when galaxies merge.
Alien planet hunt: Scanning for habitable worlds outside our solar system, NASA's Kepler mission has already spotted hundreds of candidates.
Saturn lightning: Lightning is rarely spotted on the ringed planet. NASA's Cassini spacecraft recorded powerful lightning as it passed by.
A recent US Air Force scramjet test has hinted at a future where Hypersonic weapons and Spaceships streak through the sky at many times the speed of sound around the world.
Ceres and Pluto will come into opposition with the sun, offering a rare view of these two dwarf planets.
Draconid meteor shower: NASA is assessing the risk to spacecraft posed by the upcoming 2011 Draconid meteor shower, a seven-hour storm of tiny space rocks.