For years, nuclear propulsion sat in the same category as so many ambitious space ideas, impressive on paper, always a few ...

NASA’s Curiosity Mars rover took this selfie at a location nicknamed “Mary Anning” after a 19th century English ...

New panoramic views from NASA's Curiosity and Perseverance rovers reveal dramatically different Martian terrains shaped by ...

Curiosity has detected a surprising variety of organic molecules on Mars, including compounds tied to the chemistry of life.

In a rock drilled from an ancient Martian lakebed, NASA’s Curiosity rover has found the richest mix of organic molecules ever ...

Seven of the organic molecules were found for the first time ever on the Red Planet, including compounds that are chemical ...

NASA's Curiosity rover has found a diverse mix of organic molecules on Mars, including chemicals considered building blocks ...

NASA's Curiosity rover snapped a series of peculiar polygons that look suspiciously like giant fossilized reptile scales.

The mission, called Space Reactor 1 Freedom, will test advanced nuclear electric propulsion. Upon reaching Mars, the spacecraft would deploy helicopters to explore the planet from the air. This ...

NASA confirms that Mars has air, but its composition and extremely low pressure raise a far more serious question: could a ...

NASA's Curiosity rover took this selfie at a site on Mars where it drilled a sample to search for organic molecules in ...