The discovery of a Neptune-sized exoplanet around a massive star could explain why such planets are rarely found. When you purchase through links on our site, we may earn an affiliate commission. Here ...

What can star variability—changes in a star's brightness over time—teach astronomers about exoplanet habitability? This is ...

(CNN) — When NASA’s next-generation space observatory launches in a few years, the Nancy Grace Roman Space Telescope will expand the search for exoplanets as well as rogue planets, or worlds that ...

When astronomers search for planets that could host liquid water on their surface, they start by looking at a star's habitable zone. Water is a key ingredient for life, and on a planet too close to ...

Astronomers have found six new worlds that look like planets, but formed like stars. These so-called rogue worlds are between five and 15 times the mass of Jupiter, and one of them may even host the ...

A dramatic life-and-death game of planetary survival is taking place inside a gigantic cloud of gas and dust 1,500 light-years from Earth, and the outcome could have far-reaching implications for the ...

Astronomers studying extreme planetary systems have identified worlds so massive that they rival the smallest stars in size.

“The Creator must have an inordinate fondness for beetles,” the early 20th century biologist J.B.S. Haldane once said. “He made so many of them.” If Haldane had been an astronomer, he might have said ...

An international team of astronomers used two of the most powerful radio telescopes in the world to create more than three hundred images of planet-forming disks around very young stars in the Orion ...

SEATTLE — Luke Skywalker’s home planet in Star Wars is the stuff of science fiction. But Tatooine-like planets in orbit around pairs of stars might be our best bet in the search for habitable planets ...