So far three dwarf planets, including the Goblin, have been found in the fringes of our solar …

In around a billion years, the sun will become hot enough to boil all the oceans on Earth. A rogue …

The comet, known as Comet 12P/Pons-Brooks, abruptly brightened 100-fold on July 20 as plumes of deb…

Comet Nishimura is already visible with small telescopes. If it survives the sun, it will be visibl…

The comet will be visible in late January and early February. Here's how to watch it, why it's gree…

Voyager 1 crossed the heliopause in 2012 and is drifting through interstellar space at the edge of …

The origin of the space rock that killed the dinosaurs has been a mystery. A new study suggests it …

"The sun creates this huge bubble of plasma - ionized material - that goes outward at a million mil…

When he introduced his Nemesis idea, Muller posited that the twin star might periodically intersect…

However, the Gliese 710 event could make the dinosaur extinction look relatively minor. At its clos…

The discovery images of 2012 VP113, which has the most distant orbit known in our Solar System. Thr…

The scale is in astronomical units (AU). One AU is equal to the Earth's distance from the sun - abo…

Scientists think that Comet Siding Spring formed between one to two million years after the birth o…

It's this similarity between the rate of mass extinction rates and the rate of our solar system's o…

In the first and most exciting scenario, ISON could survive the passage of the sun and continue on …

Comets, on the hand, are typically made of ice, dust, and rock. When comets gets close to the sun, …