Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

Caroline Delbert is a writer, avid reader, and contributing editor at Pop Mech. She's also an enthusiast of just about ...

The find came in the fossil-rich outcrops of northeast Mississippi, near Starkville in the Prairie Bluff Formation, according ...

A team of astronomers announced on April 16, 2025, that in the process of studying a planet around another star, they had ...

The presence of another planet in the solar system could explain the odd movements of some of the bodies in the Kuiper Belt.

Astronomers have discovered a rare planet orbiting at a 90-degree angle around two brown dwarfs—marking the first evidence of a polar planet.

Credit: NASA illustration Only three other planets with tails, all discovered more than a decade ago, are known. But this one stands out for the length of its tail and how bright its star is ...

Brandon Sanderson's Cosmere is an ever-expanding universe of interconnected fantasy stories, and for fans who love their lore ...

MIT astronomers have discovered a planet some 140 light ... 10 years ago using data from NASA's Kepler Space Telescope. All three planets were spotted with similar comet-like tails.