Astronomers have unlocked a new way to explore alien worlds by mapping the 3D structure of an exoplanet’s atmosphere for the ...

The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe.

Saturn, Venus, Neptune, Uranus, Jupiter, Mars and Mercury will be visible in an uncommon planetary alignment this month.

A parade of seven planets is set to appear in the night sky this month, and it will be the last of its kind until 2040.

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto ...

Hundreds of millions of Americans will have the chance in March to see the first total lunar eclipse in nearly three years.

Astronomers search for missing planets, a salty food movement takes hold, and it may be time to redefine the second ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...

This Google Maps image captured in 2021 revealed a mysterious, triangular dark patch in the middle of the Pacific Ocean, ...

Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...

The total lunar eclipse coming March 13-14 will last for hours and totality will be visible for more than 60 minutes.

Purple Earth Hypothesis suggests Earth was once a purple planet. Early microbes used retinal, not chlorophyll, for ...