asteroid
NASA's Dawn spacecraft has successfully maneuvered into its closest orbit around the giant asteroid Vesta.
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NASA has released an animated clip depicting the proposed 2014 test flight of its Orion spacecraft.
NASA's Deep Space Network antenna has captured new radar images of Asteroid 2005 YU55 as it approaches Earth in what's set to be the closest approach of a big asteroid ever recorded.
A 1,300-foot asteroid is set to zip between us and the moon's orbit this week, in the most significant near-miss scientists have ever known about in advance.
The asteroid widely believed to be responsible for the demise of the dinosaurs probably couldn't have been, observations from NASA's Wide-field Infrared Survey Explorer (WISE) telescope show.
Samples brought back from the Itokawa asteroid indicate that it's made up of the remnants of a much larger body.
NASA's Dawn probe is beginning the first of four science orbits, and has sent back its first close-up images.
It's two and a half thousand years since the Greek philosopher Philolaus suggested the existence of a 'counter-Earth' - another planet sharing Earth's orbit.
Today, after a four-year journey, NASA's Dawn spacecraft will go into orbit around the asteroid Vesta, where it will stay and make observations for a year.
NASA's announced that it's to launch an unmanned ship to an asteroid in 2016, gathering samples that could help to explain how life began.
NASA's announced its plans for the US spacecraft it hopes will take human beings into deep space.
Imagine looking up into the sky and seeing a giant asteroid the size of an aircraft carrier. Scary, eh? But don't worry, because although scientists predict the fly-by will happen this fall, they aren't concerned about a possible collision.
Lasers could be used to deflect asteroids on potential collision courses with Earth, according to a new study.
A massive scar that appeared in Jupiter's atmosphere last summer was caused by an asteroid 'the size of the Titanic', says NASA.
Japanese scientists say they're certain that particles captured by the Hayabusa spacecraft are indeed from the Itokawa asteroid.
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