This story appears in the June 2012 issue of National Geographic magazine. On Thursday, September 1, 1859, a 33-year-old brewer and amateur astronomer named Richard Carrington climbed the stairs ...

The asteroid, with a diameter of about 950 feet will come close enough to Earth on Friday to warrant astronomers keeping a ...

An asteroid about the length of three football fields is due to pass closely – but safely – by Earth in a matter of hours. Talk of asteroids coming too close ... well as each object's ...

A stadium-sized asteroid will pass by Earth on Friday, May 9. And if you're interested, you could see it happen in real time, thanks to a livestream from The Virtual Telescope Project. Known as ...

While asteroids are more easily discovered with optical telescopes, radar images shine when it comes to details.

A network of Cold War-era infrasound sensors can help scientists reconstruct trajectories of falling space objects.

(CNN) — A Soviet-era spacecraft that was designed to make a soft landing on Venus — but instead remained trapped in Earth orbit for decades — likely fell from the sky early Saturday morning ...

MORE: NASA confirms International Space Station object crashed through home in Naples, Florida Astronomers are increasingly monitoring space junk left near Earth during launches of satellites and ...

a Mill Valley nonprofit focused on identifying near-Earth objects (NEOs) that pose a threat to humanity. The network of researchers and cosmologists formed in the aftermath of an exploding meteor ...

An international team of astronomers reports the discovery of a new supernova remnant that showcases a remarkable circular ...