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 ...

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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 ...

Perihelion is the point at which an orbiting body is closest to the sun. The word comes from Greek and literally means around ...

Hit-and-run collisions between embryonic planets during a critical period in the early history of the Solar System may account for some previously unexplained properties of planets, asteroids, and ...

Earth and other terrestrial planets probably use their gravitational forces to tear apart asteroids ― but this creates more streams of smaller asteroids. When you purchase through links on our site, ...

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).

After the sun finally dies, billions of years in the future, Earth too will meet a grisly end. There are several ways that our home planet may be destroyed after the sun dies, possibly being swallowed ...

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 ...

'We're showing that, everywhere we look now, there was some sort of magnetic field that was responsible for bringing mass to where the sun and planets were forming.' When you purchase through links on ...