"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a ...

NASA's Mars Reconnaissance Orbiter has captured images of kidney bean-shaped frozen sand dunes in Mars' northern hemisphere, ...

A famous illustration of Saturn's moon Titan got it all wrong. Never mind -- what we imagine space to be, and what we know it ...

Ancient rainstorms may have sculpted the red planet, similar to the monsoon rains that helped shape the Southwest’s landscape ...

The European Space Agency’s (ESA) Mars Express orbiter captured stunning views of a winter wonderland on Mars, but this isn’t ...

Snow dots the Martian landscape in these images from ESA's Mars Express orbiter and NASA's Mars Reconnaissance Orbiter.

Every 26 months, the orbits of Earth and Mars allow us a closer look when Mars is at opposition — which will happen on Jan.

Corporate leaders are increasingly acknowledging the urgency of the climate crisis, but that knowledge doesn't necessarily ...

NASA's Mars Reconnaissance Orbiter, taken a photo in September 2022 and made public in December 2024, shows a top-down view ...

The ground on Mars is full of nitrogen, a vital component for planet life, raising hopes that it might be more hospitable ...

From arachnid-like formations and mysterious blobs to an underground ocean and a giant volcano, here are our 10 favorite ...