We currently know of more than 5,800 planets beyond the solar system, but we've only found the tiniest fraction of the exoplanets that astronomers think lie elsewhere in the universe.

Giant worlds beyond the Solar System could be the probe we need to figure out how dark matter manifests in the Universe.

Every planet in our solar system is essentially round. But out in the universe, are there any planets that aren't spherical? Technically, planets are round, by definition; they need to have enough ...

The universe is full of wonders, but some worlds are downright deadly. From searing heat to violent storms, these planets make Earth look like a paradise. Many of them challenge everything we know ...

There are about 700 quintillion terrestrial exoplanets in the visible universe and they are on average a few billion years older than Earth. Our planet is also in the minority when it comes to ...

Fresh results from near-infrared instruments foretell a bright future for finding life elsewhere in the Milky Way ...

Trash Gobbling Robots Cleaning Lake Tahoe and Beyond! Science Scientists discover at least 70 rogue planets wandering the universe, all alone It's the largest group yet of lonely orbs without a home.

For decades, astronomers have been working to explore the properties of the first generation of stars in the universe. These stars created new chemical elements, enriched the chemical composition of ...

This planet only exists in a parallel universe that appeared for an episode on an episode of Star Trek: The Animated Series and it's one of the strangest along with being the most dangerous. Its ...

Not only can the Universe turn stars back into planets, but we’ve found multiple examples of them. The next questions are how low in mass they can go, and just how many of them are out there.