The Oort Cloud is a theorized invisible spherical shell that surrounds the Sun.

"This is the most exciting and fascinating discovery in substellar astrophysics in decades," an astrophysicist said.

At 6 light-years from Earth, a discovery is shaking up astronomy. A new planet, Barnard b, has been detected orbiting a red ...

In 1995, Caltech researchers at the Institute’s Palomar Observatory first observed what appeared to be a brown dwarf orbiting Gliese 229 – a red dwarf star located about 19 light-years from Earth.

The technology works with an early-detection earthquake warning system, the ShakeAlert. Managed by the U.S. Geological Survey ...

Catch some shooting stars, get in a glimpse of the fading Comet Tsuchinshan-ATLAS, and see Venus mingle with Antares in the ...

Oddball Stellar Duo Creates Spectacular Fireworks Located about 700 light-years from Earth, R Aquarii is one of the closest stars known to undergo massive violent eruptions that spew out huge ...

October's Hunter's Moon appeared at its peak on Thursday night, in what was the closest supermoon to Earth this year. Plenty ...

A rare comet is still glowing over Ohio. Here's how to see it before it's gone, and won't return for 80,000 years.

Leonardo DiCaprio & Quentin Tarantino Break Down Once Upon a Time in Hollywood’s Main Character ...

The next supermoon happens in November. It's also the last one of 2024. According to NASA, November's full moon will shine at a distance of 224,385 miles from Earth. By December, the moon will be ...

Distressing moment hotel worker requests 'urgent' help before the One Direction star plunged to his death; Liam Payne's cause ...