Astronomers are investigating a strange class of exoplanets known as eccentric warm Jupiters — massive gas giants that orbit their stars in unexpected, elongated paths. Unlike their close-orbiting ...

Astronomers have cataloged thousands of exoplanets, and a pattern keeps showing up: Around most stars, the most common ...

A four-planet system reveals remarkable insights about how planets form and how they change during their lifetime.

Not all planets are lucky enough to live in a neighborhood like our Solar System – some are doomed to roam the cosmos alone.

While most planets that we are familiar with stick relatively close to their host star in a predictable orbit, some planets ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

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TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for signs of an atmosphere—and potentially life-supporting conditions. Early James ...

Researchers have found a candidate for the hypothetical Planet Nine, which could be an undiscovered giant planet way out in our solar system. However, as with all ninth planet research, the new ...

"Lava planets are in such extreme orbital configurations that our knowledge of rocky planets in the solar system does not directly apply." When you purchase through links on our site, we may earn an ...

An unusual object orbiting a rapidly spinning star might be a new phenomenon in the universe. By Jonathan O’Callaghan Earth isn’t a perfect sphere. The rotation of our planet causes it to bulge ever ...