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In the last seven days, an asteroid the size of a city block and three smaller space rocks have zoomed safely by Earth, the latest demonstration that we live in a solar system that some scientists have dubbed a "cosmic shooting gallery."All four asteroid flybys occurred between March 4 and Sunday, March 10. The asteroids were also all discovered this month, some just days ago.The biggest space rock encounter occurred Saturday, when the asteroid 2013 ET passed just inside 600,000 miles of Earth. That asteroid is about 460 feet long and approached within 2.5 times the distance between Earth and the moon." The scary part about this one, of course, is that it's something we didn't even know about," said Patrick Paolucci, president of the online Slooh Space Camera during a live webcast of 2013 ET's flyby. The asteroid was first discovered on March 3 by the Catalina Sky Survey at the University of Arizona. [ See a video of asteroid 2013 ET ]Also on Saturday, a smaller asteroid called 2013 EC...
NASA unveiled plans this week for a brand-new mission to Mars in 2016, even as its newest rover was just settling in on the Red Planet. But space agency officials sa...
A spectacular new video shows the Mars rover Curiosity's harrowing Red Planet landing in sharp detail, while another captures the drama and excitement surrounding th...
LOS ANGELES, Calif. — Amidst much fanfare, the new museum display featuring retired space shuttle Endeavour opened to the media and invited guests here on Wednesday ...
Dozens of scientists, artists and entertainers are gathering in Silicon Valley this weekend to discuss the search for intelligent aliens and humanity's place in the ...
PASADENA, Calif. – The excitement, tension and anxiety is palpable here as NASA’s huge Mars rover Curiosity nears its daring dive onto the Red Planet. The $2.5 billi...
A weeklong international celebration of spaceflight and exploration kicks off today (Oct. 4), with hundreds of events planned in dozens of countries around the world...
Science fiction icon and author of "The Martian Chronicles" Ray Bradbury has died in California at the age of 91, according to news reports.The famed writer of scree...
A new initiative could be on the horizon for suborbital spaceship company Virgin Galactic, founded by British billionaire Sir Richard Branson.Branson is expected to ...
NASA plans to drop nearly $310 million from the budget for its Planetary Science division in 2013, a 20 percent cut that affects future missions to Mars, lunar scien...
Bill Nye weighs in on dead NASA satellite
Bill Nye the Science Guy explains
Scientists unsure where school bus-sized space debris will land
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Bill Nye the Science Guy explains
The threat of global warming may stretch so far beyond Earth that it affects meteorites millions of miles away in space -- at least according to one CNN anchor."Talk...
A NASA rover is only three days away from landing on Mars, and you can follow along with the adventure on the Red Planet thanks to a lineup of exciting public events...
Bill Nye 'the science guy' explains why the drought is a result of climate change.
NASA is calling on students around the world to help name a potentially dangerous near-Earth asteroid that the agency is hoping to visit with an unmanned probe that ...
NASA's car-size Curiosity rover is days away from its high-stakes landing on Mars, and a host of planned events will allow people to follow along as the spacecraft m...