On the morning of Feb. 15, 2013, a meteor the size of a semitrailer shot out from the direction of the rising sun and exploded in a fireball over the city of Chelyabinsk, Russia. Briefly glowing ...

For a long time, the sun's glare has been hiding a secret — a trio of space rocks with one member that could one day be hazardous to the planet. Of the three asteroids recently discovered by ...

Astronomers have detected three asteroids in close proximity to Earth, two of which pose a potential threat as "planet killers" because of their larger and hazardous size, but don't worry, says a NASA ...

Our Sun, that steady burning ball of gas that has faithfully illuminated Earth for billions of years, is slowly but ...

A Mashable series about the curious space rocks hurtling through our solar system, and how humanity is on the lookout for new ones. Astronomers are vigilantly scanning the skies for asteroids that ...

In the year 2000 the first of a new class of distant solar system objects was discovered, orbiting the Sun at a distance greater than that of Neptune: the “extreme trans Neptunian objects (ETNOs).

In the glare of the sun, an unknown number of near-Earth asteroids move on unseen orbits. A new generation of space telescopes could be our best defense against potential disaster. When you purchase ...

Astronomers have recently discovered "planet killer" asteroids hiding in the glare of our sun, and one of them could one day impact Earth. A total of three asteroids were found and have been dubbed ...