There is historic evidence for a gamma-ray burst hitting Earth over 1,200 years ago -- where did it come from?
Earth's gravity may not have the gravitas of Jupiter, but the
planet regularly plucks small asteroids passing by and pins them into
orbit -- now astronomers want to find them.
Dive deep into Orion's star factory with the help of NASA's Wide-Field Infrared Survey Explorer (WISE).
A veteran NASA comet probe turned its sights on a new target,
Comet ISON, which is barreling toward a close encounter with the sun
this fall.
Giant aliens from super-exo-earths are in danger of
evaporating in a puff of planetary science dust. A new model suggests
super-Earths are really mini-Neptunes.
According to Kepler data, the nearest 'Earth-like' exoplanet may be within 13 light-years from Earth.
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