A mysterious "rogue" planet has been observed gobbling six billion tons of gas and dust a second—an unprecedented rate that ...

The record-breaking event is providing insight into how these strange objects form.

The comet, named 3I/ATLAS, is only the third confirmed interstellar object ever seen in our solar system. That means it came from another star system entirely. At first, some speculated it could be an ...

For the first time, scientists have found strong evidence of a "polar planet"—a planet whose orbit is tilted at 90 degrees ...

On some, whipping winds send a rain of glass flying sideways; others have a core of carbon compressed into diamond. Take a ...

A strange 200 million-year-old object with the mass of a planet has been discovered 20 light-years from Earth, outside our solar system. The "rogue," as it's referred to by researchers, is producing ...

It’s especially puzzling since Venus is a terrestrial world much like Earth, so much so that it’s considered to be our planet ...

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

For years, scientists staring at Mars through the eyes of orbiting spacecraft noticed something strange: a mysterious signal ...

Our Solar System contains eight planets (sorry, Pluto) orbiting around the Sun. But while all planets are important members of the club, if we’re being honest, we know there’s a crown jewel of our ...

Technological limitations for manufacturing large, round telescopes has experts considering unconventional shapes to improve our search for habitable worlds.