Forty light-years away sits a scorched world that once earned one of astronomy’s most dazzling nicknames: the diamond planet.

Discovered in 1930, Pluto reigned as the ninth planet for 76 years — now, 20 years after its demotion, the debate still rages ...

Astronomers using NASA’s James Webb Space Telescope have found a previously undetected giant planet tucked inside Beta ...

The object orbits a brown dwarf that orbits a star, and astronomers aren’t sure if it’s a planet, a moon — or something else entirely.

Astronomers have found evidence of a process that supports an alternative, more rapid approach to planetary formation, more top down than bottom up. By Katrina Miller When it comes to making a planet, ...

Forbes contributors publish independent expert analyses and insights. Leslie Katz covers the intersection of culture, science and tech. A yellowish-orange glow bathes Phainoterra, a planet of dramatic ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

The Planetary Boundaries framework is a pivotal tool for tackling the climate crisis and safeguarding humanity's future on Earth. For the first time, the full story of the Planetary Boundaries is now ...

I’m a planetary scientist who was born the year of Sputnik’s launch. Over the course of my 40-year career, I’ve witnessed not one but at least five separate revolutions that fundamentally transformed ...