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

What if billions of years ago, the Red Planet had rain, snow, and even rivers that carved out landscapes much like those we ...

A glass bead retrieved by China's Chang'e-5 lunar mission is offering a glimpse into the moon's hidden interior and violent past. Witness live views of Earth from the International Space Station as it ...

This was the first time an aurora had been reported from the surface of a planet other than Earth, the researchers noted.

Precipitation, to be clear, includes any variant – not just water, but snow or freezing rain and other forms of water falling from the sky. Much like the Eastern Seaboard in winter, a "warm" Mars ...