A new survey maps nearby K-type stars and shows why these long-lived, stable stars are important targets in the search for ...

NASA has taken a bold step in the search for alien life beyond Earth. The space agency announced the selection of seven ...

In a landmark achievement, the James Webb Space Telescope has discovered its first exoplanet. About the same mass as Saturn, it was found in a star system about 111 light-years distant. It’s also the ...

Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously ...

Some exoplanets, like the one shown in this illustration, may have atmospheres that could make them potentially suitable for life. NASA/JPL-Caltech via AP When astronomers search for planets that ...

Scientists measured mass and distance of free floating planet drifting through space without star for first time.

An illustration depicts what the surface of one of the exoplanets orbiting Barnard's Star may look like. The other three planets within the system can also be seen. - International Gemini ...

A new machine learning model has predicted that there are 44 Earth-like planets in other star systems in the Milky Way galaxy, with researchers from Switzerland claiming that the algorithm at the core ...

SAN JOSE, Calif. — HAT-P-7b is a bizarre slice of hell, a giant gas planet 40 percent larger than Jupiter that orbits so close to its sun that its year lasts just 2.2 Earth days and its atmosphere is ...

It's estimated there may be trillions of rogue planets wandering through the Milky Way, unbound to any star. Since detecting our first ones, we have been presented with an odd mystery.

Astronomers have long been on the hunt for "Planet Nine," a hypothetical planet that lies within our solar system just beyond Neptune. Scientific evidence has alternately pointed to and against the ...