The Japanese lunar orbiter Kaguya has completed its main mission. But there's one final scientific endeavor.
However, big Earth-threatening solar storms could still kick up at any time, the researchers cautioned today.
The Great Red Spot, a colossal storm twice the diameter of our planet, has been raging for at least 300 years.
Carbon dioxide, a potential fingerprint of life, has been discovered for the first time in the atmosphere of a planet orbiting another star.
Venus and the moon will deliver a Halloween treat visible this evening just as little ghosts and goblins head out to gather candy.
Eight-legged animals survived exposure to the harsh environment of space, supporting the idea that simple life forms could travel between planets.
A spectacular nearby star explosion observed in 1843 is now thought to be related to a class of distant supernova imposters that seem to explode periodically yet remain intact.
A small asteroid sailing past our planet right now turns out to be two giant rocks orbiting each other.
As the full moon rises this Wednesday evening, June 18, many people will be tricked into thinking it's unusually large.
Disgruntled scientists renewed their vows this week to call Pluto a planet despite an international governing body's latest ruling to reclassify the tiny world.
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