Researchers using the Hubble Space Telescope have discovered water vapor in the atmosphere of planet K2-18b, located about ...

The sun has been super active this week, unleashing massive X-class solar flares, one of which was an X2.7 on Tuesday, the strongest so far this year. X-class flares are the strongest and most intense ...

Rocket Lab's Electron will launch Aspera, a cubesat being developed by the University of Arizona and NASA. The shoebox-sized ...

Astronomers didn’t even know sub-Neptunes existed until NASA’s Kepler mission uncovered them over the past decade. Although a ...