The fact that the cold, dry Mars of today had flowing rivers and lakes several billion years ago has puzzled scientists for decades. Now, Harvard researchers think they have a good explanation for a warmer,

The 3.7-billion-year-old formations in the planet's Gale Crater suggest the presence of long-gone bodies of liquid water, with no ice covering the surface

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

Experts told Newsweek about the difficulties of reaching Mars as the United States faces complex challenges in space policy.

Apt.,” Bruno Mars’ collaboration with Blackpink singer Rosé, rises to No. 1 on the Pop Airplay chart, earning the singer his historic eleventh leader on the ranking.

One of my gripes with "The Martian" movie was the depiction of the winds on Mars. The lower air density means that the sort of high speed winds we might experience on Earth carry far less of an impact on Mars.

Bruno Mars and Rose's “Apt.” earns the singer his eleventh leader on Billboard's Digital Song Sales chart, matching Katy Perry's historic record.

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

Trump says we're going to Mars. He may be making it harder to get there. President Donald Trump says we’re going to Mars, but don’t start packing your bags just yet. There are a lot of reasons to doubt that his plans will get us to the Red Planet, and he may even put us further behind schedule.

Caltech scientists published a study using NASA Curiosity rover imagery showing the past existence of warm water on Mars.

Lady Gaga, Blackpink member and K-pop star Rosé, Sexxy Red and Bruno Mars appear together in a music video for Red and Mars' song "Fat Juicy & Wet."

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