Mars didn’t always look like the barren world we see today. Over billions of years, the Sun’s solar wind stripped away much of its atmosphere, helping transform it from a warmer, wetter planet into a ...

NASA’s twin ESCAPADE spacecraft will uncover how the Sun stripped Mars of its atmosphere. Mars is a very different world ...

If you were to stand on the surface of Mars in two years and look up to the night sky, you might see a bright streak flying across the heavens, followed a few minutes later by another. Rather than ...

NASA’s humanoid robot Valkyrie is heading back to the United States after spending a decade at the University of Edinburgh in ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA will prioritize launching more rockets to Mars in 2026, a move that will likely benefit Elon Musk’s SpaceX. The change comes ...

NASA has offered a sneak peek inside its Mars simulation habitat where four volunteers have now spent 150 days isolated from the outside world. By living within the confines of the 1,700-square-foot ...

NASA's beleaguered Mars Sample Return mission may get a reprieve from an unexpected source. Lockheed Martin has proposed a streamlined, lower-cost alternative that could slash the mission’s price tag ...

A crewed mission to Mars would rank among the most complex and costly undertakings in human history—and US President Donald Trump has vowed to make it a national priority. That political momentum, ...