The universe is full of unknown celestial objects, and scientists have only begun to scratch the surface of understanding ...

Astronomers have uncovered new details about an extraordinary object hurtling through thesolar system. A comet with ...

Scientists have unlocked one of the solar system's many secrets from an unexpected source: a planetarium show.

The Interstellar Boundary Explorer (IBEX) is a small satellite already orbiting Earth. IBEX has special instruments gathering ...

The Oort cloud lies beyond Neptune. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The Oort cloud is a shell of icy bodies that surrounds ...

The monstrous 85-mile-wide comet C/2014 UN271 is the second most distant body originating from the Oort Cloud found to be ...

The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the Milky Way," a show at New York City's Hayden Planetarium that ...

Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

Astronomers discovered that C/2014 UN271, a massive comet more than 10 times larger than any known comet, is emitting jets of ...

The Oort cloud is very far from the Sun. It is outside the bubble produced by our Sun’s solar wind and magnetic field by a considerable distance. While Voyager 1 has left this magnetic bubble ...

“The Oort cloud planets in our simulations would be much more distant than the proposed Planet Nine orbit—at least 10 times further away,” explains Kaib.