Jupiter is the largest planet in the solar system. It's about 11 times wider than Earth with an equatorial diameter of 88,846 ...

Dimethyl sulfide is cool—and a potential biosignature—but scientists are urging caution before we declare a plankton party ...

Scientists know of over a dozen planets that orbit twin stars like the fictional "Star Wars" desert planet Tatooine. More ...

While the discovery made by JWST is undeniably a “revolutionary moment” for us, it is not an Archimedes-type “eureka” moment.

It’s around 2.4 billion years old, and like most M-dwarf stars, it might throw flares or have spots, making it tricky to get clear readings of its planets. Bonus fact: K2-18 also has a sibling ...

Since it was discovered in 2015, K2-18b, which orbits a red dwarf star more than ... 8.6 times bigger than Earth. The planet’s large size — with a radius 2.6 times that of Earth — means ...

As scientists discover the most promising evidence of life on a distant planet, experts reveal what that alien life might ...

New molecules discovered on a faraway exoplanet have given scientists the “strongest evidence yet" that life may exist beyond ...