Extraplanetary spacefaring has a hoary history in science fiction. Elon Musk, our so-touted Mars visionary, is an avid sci-fi ...

Harvard scientists explain how Mars had warm spells billions of years ago, allowing rivers and lakes to exist.

Though it's a cold, dead planet, Mars still has its own natural beauty about it. This image shows us something we'll never see on Earth.

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

Mars' southern hemisphere absorbs a lot of the sun's energy during the Red Planet's spring, and that may be causing Mars' ...

NASA is working on an exciting mission to send humans to Mars in the next few decades. To make this happen, the agency is ...

Elon Musk has shared plans to use Starship rockets for long-distance flights on Earth. The billionaire claims it will be ...

Scientists confirm the existence of liquid water on Mars, altering our understanding of the Red Planet. Evidence of wave ...

The Artemis program has been NASA's best chance to get "boots on the moon" again. But with the new US administration taking ...

UK researchers have confirmed the existence of a “super Earth” located 20 light-years away that could reveal the existence of ...

Simpson and Chen ran mathematical models looking at how differently sized Earth-like worlds would have affected the rest of ...

The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars.