But evaporation, freezing and rocks can’t quite account for all the water that must have covered Mars in the distant past. Calculations suggest the “missing” water is enough to cover the planet in an ...

Evidence is mounting that a secret lies beneath the dusty red plains of Mars, one that could redefine our view of the Red ...

Vesta, one of the two largest bodies in our solar system's asteroid belt, has long been thought to be more than just another ...

After billions of dollars in spending and decades of planning, NASA may be forced to abandon precious samples of air, rock ...

Vesta, thought to be the second-largest asteroid in the solar system, could be a piece of an ancient, unknown planet, a new ...

Astronomer Eliza Kempton said that she had waited her "entire career" to peer into an atmosphere from this mysterious class ...