While all among us will be affected by Pluto's 2025 retrograde in Aquarius, four signs will feel the effects most acutely. Read for your sun and rising sign.

Legendary "Star Trek" actor William Shatner wants Elon Musk's help to convince President Trump to restore Pluto to greatness as scientists claim to have found a “new” ninth planet.

Pluto reaches opposition and is ready for those who want to chase it down. Use the biggest scope you've got, or take aim with a photo-capable smartscope.

Pluto TV’s Universal Monsters channel is just one of nine new channels added to the service this month. Other new channels include Monster Jam, Home Crashers, and Modern Marvels.

When did Pluto stop being a planet, and why? Pluto was always in a tough spot when it came to being a planet. Just 1,477 miles across, it's only one-fifth the diameter of Earth.

Paramount Global is set to have fans of South Park view the animated series on a new 24/7 streaming main channel to launch on the ad-based streaming service Pluto TV in international markets.

Pluto nearly fills the frame in this image from NASA's New Horizons spacecraft. The image was taken on July 13, 2015, when the spacecraft was 476,000 miles (768,000 kilometers) from the surface.