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

"It took three unsuccessful attempts before we got it right, but when we did, it appeared exactly as we had imagined it; as a ...

The red planet Mars, named for the Roman god of war ... defining the length of a Martian day, which is called a sol (short for “solar day”). Mars’s axis of rotation is tilted 25.2 degrees ...

The James Webb Space Telescope (JWST) has been studying the scene of a dramatic collision between a star and its planet, but whereas astronomers had originally thought that the star was a red giant ...

Based on the data at the time, they believed the planet met its doom as the star puffed up late in its lifespan, becoming what is called a red giant. New observations by the James Webb Space ...

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 ...

The rover has been exploring the Red Planet’s Jezero Crater since February ... They adapted a new analytical method called “X-ray Backscatter Diffraction Mapping” to work with the rover ...

"Curiosity was captured in what is believed to be the first orbital image of the rover mid-drive across the Red Planet." NASA's Mars Reconnaissance Orbiter (MRO) just snapped an off-Earth action ...