YR4 was originally calculated to have a 3.1% probability of impacting our planet on December 22, 2032.

A University of Vienna study suggests that the solar system's movement through the galaxy affected Earth's climate millions ...

Ground telescopes have offered our best asteroid data so far, but spotting dark, tumbling rocks from Earth is like finding ...

Scientists are investigating whether an asteroid ... Earth’s first great flood, reshaping the planet’s surface billions of years ago. Evidence suggests that a massive space rock collision may ...

A case in point: a European Space Agency satellite, known as ERS-2, launched in 1995 and inactive since 2011, tumbled through ...

"Scientifically there's a huge amount we can learn from asteroids," says Alan Fitzsimmons, an astronomer at Queens University Belfast and a member of one of Nasa's sky surveys that searches and tracks ...

But real lightning would have struck infrequently—and mostly in open ocean, where organic compounds would have quickly ...

About a month later, initial observations of the asteroid, estimated to be 40 to 90 meters across, resulted in an orbit that had about a 1% chance of colliding with the Earth in December 2032.

Plus: Observe two stunning spirals, see Venus reappear as a morning star, and enjoy the Last Quarter Moon in the sky this ...

Google’s co-founders Larry Page and Sergey Brin launched a limited beta mail service, Gmail, on04. But, this launch was not ...

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