REx mission has an historic opportunity to closely observe the asteroid Apophis and improve our ability to defend against ...
The world’s top astronomers are closely watching an asteroid they say has a 2.3% chance of hitting earth in 2032 - up from just 1% last month. Tom explains what they’re looking for and what scientists ...
Planetary Society Chief Scientist Bruce Betts notes while counterintuitive, the odds of impact go up before they drop to zero.
The space rock is heading in our direction at some 18,700 miles per hour, according to the space agency's data.
On the world's first Asteroid Day, Nina Burleigh discovers that Nasa has already commissioned a team of 'planetary defenders' ...
Yellowstone to Yosemite: Kevin Costner speculates the reason behind Teddy Roosevelt's 'disappearing act' It marks a shift ...