NASA has offered a sneak peek inside its Mars simulation habitat where four volunteers have now spent 150 days isolated from ...

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 ...

New clues found underneath Jezero Crater.

NASA photos appear to show a pyramid-like structure the same size as Giza on Mars, prompting speculation about whether an ...

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 has not reestablished contact with its MAVEN Mars orbiter since a planned communications blackout ended Jan. 16.

NASA's Curiosity Mars rover has spied a pitted rock face known as "Timboy Chaco" as it explores a region of the Red Planet called Mount Sharp.

NASA launched the Mars Reconnaissance Orbiter in August 2005 and the following year, on March 10, it entered the orbit of the red planet where it continues to operate today. Data returned to Earth by ...

Mars used to have a warmer and wetter climate, which changed after billions of years because the Sun's solar wind removed ...

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...

Using ground-penetrating radar, NASA's Perseverance rover has discovered subsurface traces of an ancient river delta on Mars.

For nearly a month, NASA has been scrambling to make contact with a spacecraft in orbit around Mars that abruptly fell silent. The space agency lost communication with the MAVEN probe (short for Mars ...