But it’s not just looks. Rocky composition, general size, orbital behaviors—a lot of those qualities can be the same on both ...

These linkups happen when several planets appear to line up in the night sky at once. Such parades are fairly common, ...

Beyond the familiar planets lies a fascinating frontier filled with icy worlds, mysterious orbits, and cosmic curiosities.

Mark your calendar so you can catch Mercury, Venus, Jupiter, Saturn, Neptune and Uranus in the sky at the same time.

How do tidal forces shape a planet's orbital evolution, especially for those in the habitable zone? A recently submitted ...

Researchers suggest gas giants might gather dark matter until their cores collapse into planet-sized black holes.

Stargazers are excited as a rare planet parade is expected to happen this weekend bringing some of the main characters of our ...

Half a dozen planets - Mercury, Venus, Jupiter, Saturn, Uranus and Neptune - will put on a dazzling display in the sky on ...

In February 2025, a stunning planetary alignment–also known as the planet parade–allowed observers to see seven planets in the night sky simultaneously: Mercury, Venus, Mars, Jupiter, Saturn, Uranus, ...

As missions like Kepler and TESS discovered more rocky exoplanets in recent years, scientists looked forward to the launch of ...

Discover how spectroscopic measurements revolutionized the study of astronomical temperatures, from identifying elements to ...

In recent years, JWST has revealed a fascinating class of never-before-seen objects, just hanging out in crowded, nebular ...