Astronauts who explore Mars should be careful not to leave too heavy of a footprint, experts stress. Indeed, human ...
SpaceX has unveiled its extravehicular activity (EVA) suit for spacewalks. It plans to use them during its upcoming Polaris ...
Ever wonder what happens when you fall into a black hole? Now, thanks to a new, immersive visualization produced on a NASA ...
Henk Hoekstra is a professor in observational cosmology at Leiden University.