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Mikael Granvik is in the Department of Physics, University of Helsinki, 00014 Helsinki, Finland, and in the Department of Computer Science, Electrical and Space Engineering, Luleå University of ...

A completely harmless and tiny asteroid was detected early on a collision course with Earth on Tuesday. Measuring about 27 inches wide, the asteroid was detected by astronomers at the Kitt Peak ...

China is targeting a small non-threatening near-Earth asteroid for a daring attempt to run into it at high speeds and move it off its course. The Chinese asteroid deflection test could happen as early ...

Civilization-ending earth impactors continually capture our imaginations. But even a small asteroid that explodes low enough in earth's atmosphere can cause serious damage on a local level. Until ...

Every night is a good night to look through a telescope (provided it’s not cloudy), but if you’re looking for an excuse, Jupiter is lining itself up for some candid closeups. At its farthest point, ...

Five asteroids are expected to make close approaches to Earth this weekend. A large asteroid could pass close enough to Earth within the next decade that there's a chance it could strike the planet, ...

Current space debris tracking technology is limited to objects larger than 10 centimeters, leaving a significant population of smaller, untrackable debris posing a collision risk to future space ...

Not since the first world war, when America’s government nationalised the railroad system, has it made the kind of investment it announced on July 10th. For $400m, the Department of Defence acquired a ...

WASHINGTON (Reuters) - Some 7,000 jumbo-sized snow globes were recalled by Hallmark Cards Inc. because the holiday decorations can act as a magnifying glass when exposed to sunlight and ignite nearby ...