These icy bodies orbit the sun just like the major planets, yet they follow their own rules, often traveling along elongated ...

This video explores how scientists determine the ages of planets and which worlds formed first, based on planetary formation, geology, and evidence from space missions.

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

The tallest cliff in the solar system is so extreme that even imagining standing on its edge is enough to make your stomach ...

Recently, a group of scientists created a detailed map of this space, showing that the bubble is lopsided in both shape and ...

The atmospheric carbon dioxide was thought to be the result of the oxidation of oxygen molecules in the exosphere. As a consequence of this discovery, Rhea became the first Saturnian moon, and only ...

Regulus — also called Alpha Leonis — is one of the brightest stars in the night sky. The brightest star in the constellation ...

Clips of a three-year-old Lego clock video that I'd not seen before just resurfaced, and it's making the rounds across social ...

With an image from the James Webb Space Telescope, NASA finds clues outside the solar system that explain crystals born in ...

February: it’s a short month, and it’s also relatively short on stargazing highlights. Still, patient stargazers will be ...

Earlier telescopes, including Hubble, revealed the Helix as a serene, eye-shaped glow. Webb presents a more intimate view, ...

In the course of his life, Galileo clashed with other philosophers and religious figures who were committed to the geocentric ...