Add Yahoo as a preferred source to see more of our stories on Google. Digital art of distant planet - Dottedhippo/Getty Images On August 24, 2006, our solar system lost a planet. It wasn't by ...

Scientists may have been overestimating the size of the solar system’s biggest planet. New data from NASA’s Juno spacecraft ...

There have been questions about a mysterious ninth planet in our solar system for nearly a decade. Pluto was unseated as number nine in 2006. Now, a group of international researchers say they may ...

New data from NASA's Juno orbiter reveals Jupiter is slightly smaller and more 'squashed' than scientists previously thought.

Stargazers can see six planets all in one evening during the second month of the year, especially Mercury, which is usually ...

Planet Y is the latest in a series of hypothetical solar system planets that scientists have proposed in recent years, all with slightly different characteristics but collectively believed to be ...

This weekend, six planets are set to share the sky in a rare “planet parade,” giving stargazers a short but magical window to ...

A University of Arizona-led team discovered a growing planet, WISPIT 2b, forming inside a disk gap around a young star. The finding confirms theories that protoplanets carve out gaps in disks of gas ...

The discovery provides a precious peek into the dawn of our own solar system as well The discovery provides a precious peek into the dawn of our own solar system as well The discovery provides a ...

LONDON — The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper's authors have ...

Astronomers have discovered seeds of rocky planets forming in the gas around the baby sunlike star providing *** peek into the start of our own solar system. The the thing that we've discovered is ...