These layers are hundreds of feet thick and are thought to have formed roughly 3.7 billion years ago, under warmer and wetter ...

As the sun grew hotter, so did Mars, prompting much of its atmospheric carbon dioxide to rain out and ultimately get locked ...

Curiosity, NASA's Mars rover, accidentally cracked open a seemingly ordinary rock, revealing an unexpected yellow substance ...

A meteorite that is the largest known piece of Mars on Earth is expected to fetch up to $4 million when it goes up for ...

The company begins construction of a $250 million, 30-story rocket facility as it ramps up to 25 Starship launches a year ...

If humans are ever going to live beyond Earth, they'll need to construct habitats. But transporting enough industrial ...

NASA's Perseverance rover is digging deeper into Mars' geologic past as it begins grinding into rock surfaces to expose ...

New research shows how Mars may have undone its own habitability, while Earth stayed stable enough to support life.

One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at ...