NASA announced the selection of industry proposals to advance technologies for the agency’s Habitable Worlds Observatory concept.

The purpose of the workshop, titled “Green Mars”, was to develop an “up-to-date perspective on the feasibility of terraforming Mars”.

Small lakes on ancient Mars may have remained liquid for decades, even with average air temperatures well below freezing.

Mars has hosted a surprising number of robotic visitors, yet the question of where humans should touch down remains wide open ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...