Add Yahoo as a preferred source to see more of our stories on Google. This view of a region called Syrtis Major is from the 100,000th image captured by NASA’s Mars Reconnaissance Orbiter using its HiRISE camera. Over nearly 20 years, HiRISE has helped ...

NASA’s twin ESCAPADE spacecraft will uncover how the Sun stripped Mars of its atmosphere. Mars is a very different world today than it once was. Scientists believe the planet used to have a thicker atmosphere,

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 frozen desert.

NASA is approaching a decisive moment on a Mars telecommunications orbiter that could shape the future of robotic and human exploration. According to Ars Technica, the agency must choose quickly whether to pursue a narrowly focused communications satellite ...

Add Yahoo as a preferred source to see more of our stories on Google. A camera on NASA's Mars Reconnaissance Orbiter captured this image of interstellar comet 3I/ATLAS in early October. At the time, the comet was about 19 million miles (30 million ...

NASA's Perseverance rover has uncovered a hidden ancient river delta beneath Jezero Crater, revealing layered sediments and eroded surfaces. This groundbreaking discovery, dating back 3.7 to 4.2 billion years,