Turning Mars into a second Earth would not begin with forests, oceans, or cities. The first step would be protecting the ...

Seven organic molecules that have never been seen before on Mars just turned up inside a single rock — and one is a precursor ...

Scientists studying a rare, ancient angrite meteorite found in the Sahara Desert have uncovered evidence of a lost ...

An artist's conception showing a planetary smash-up between a Moon-sized object and a Mercury-sized object. (NASA/JPL-Caltech ...

The rusty world is full of mysteries—and some of the solar system's most extreme geology. Learn more about Earth's smaller, colder neighbor.

Mars does not have Earth’s kind of magnetic shield, so it has often been treated as the solar system’s more exposed world. It is a planet left to take the sun’s blows with far less protection.

NASA just declared its MAVEN Mars orbiter dead after a dozen productive years circling the Red Planet. Here's the fate that ...

The rover will collect the samples from a region of Mars called Oxia Planum, a clay-rich, ancient plain on Mars, located just ...

A researcher says he found a possible shortcut to Mars that would halve the time it takes to travel to the planet and back to less than a year.

A round trip from Earth to Mars takes about three years. New research suggests a potential shortcut to Mars, inspired by an asteroid's orbital path, that would reduce the journey to as little as 153 ...

MAVEN was the first successful mission designed to study the atmosphere of Mars. It also became a vital node of NASA’s ...

An iconic spacecraft orbiting Mars has entered its final days after more than a decade of service. But the mission was only ...