For two days in the December the solar wind suddenly stop on Mars and its atmosphere on the sun-facing side swelled "by nearly four times its usual size — from its usual 497 miles (800 km) to over ...

A NASA planetary defense officer warns thousands of near-Earth asteroids capable of destroying a city remain undetected.

The Mars Express orbiter launched to the Red Planet. Twenty years later, ESA has delivered a high resolution color image of ...

Each day holds a chance for adventure, or an exciting event on its horizon. Every day in history has something important, ...

Looking up at the night sky usually just gives us the moon and maybe a few stars, but this February is different. We’re getting a rare "planetary parade" where six planets align, and honestly, it’s ...

As befitting a video game franchise that has somehow spanned fan art featuring main characters doing everything from ...