An arrowhead-shaped rock on Mars sporting features that may hint at ancient microbial activity on the Red Planet has left ...

NASA’s Perseverance rover has uncovered high-purity quartz crystals on Mars, a discovery that could reshape the search for ...

Mars just dropped a surprise golden nugget —literally. Curiosity accidentally cracked open an ordinary-looking rock, only to ...

Thanks to the red shade its surface appears, we’ve long called Mars the Red Planet. But did you ever wonder why, in ...

Full of extraordinary footage, Robert Stone's blissed-out mind-bender of a movie meditates on the possibilities of life in the universe.

For centuries, the Red Planet’s signature hue has fascinated scientists, but the real reason behind its color may be ...