New research suggests that temperatures on ancient Mars may have fluctuated between hot and cold periods through a relatively ...

Orbital dynamics show that President Trump’s pledge to land astronauts on Mars couldn’t happen until 2029 at the earliest.

This NASA Mars Reconnaissance Orbiter image, acquired on May 13, 2018, during winter at the South Pole of Mars, shows a carbon dioxide ice cap covering the region and as the sun returns in the spring, ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

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

Understanding chorus waves is vital, as they create fast-moving, highly energetic electrons (known as killer electrons) that ...

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

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

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

A collection of Martian rocks could reveal details about potential past life on the Red Planet – but first NASA has to get ...

The northern plains of Mars, marked by thousands of mounds and hills, hold significant evidence of the planet's watery past.

Located less than 20 light years away, HD 20794d could potentially be one of the most Earth-like planets found so far, ...