Astronomers have peered into an alien planet's atmosphere and found extreme weather unlike anything in the solar system.

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 ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Phone sizes vary across brands, and Apple’s approach to the size of its phones has varied massively. For a broader overview of how iPhones compare to other brands’ phones, check out our dedicated ...

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

Astronomers from MIT, the University of Liège in Belgium, and other institutions have stumbled upon a truly bizarre planet—an ...

An object we thought belonged to the most common category of planet in the galaxy has turned out to be something we've never ...

Fans are already complaining about Galactus' size in The Fantastic Four: First Steps, but in the end, it doesn't really matter.

Data collected by NASA's InSight lander suggest that ancient internal processes are responsible for the "Martian dichotomy" ...

Phone sizes vary across brands, and Apple’s approach to the size of its phones has varied massively. For a broader overview of how iPhones compare to other brands’ phones, check out our dedicated ...

Of the nearly 6,000 confirmed exoplanets in the Milky Way, Tylos has one of the most-studied atmospheres out there. It's what we call a hot Jupiter – a world comparable in size to our own gas giants, ...