Using open-source software, experts at the University of Wisconsin–Madison figured out a testing flaw that often led to rovers getting stuck on alien surfaces.

L anding on another body in the Solar System is a tough business. Despite many successful touchdowns throughout history, ...

The Next Generation has a few bad episodes, but which episodes in the series have bad endings? Some are great stories that ...

Asteroid 2024 YR4 has a 0.0017% chance of hitting Earth, but media reports too often ignore the unlikelihood of impact in reports of near-Earth asteroids, a Tucson astronomer says.