Scientists Find Signs That Mars May Once Have Been Covered by an Ocean ...

Mars, the planet we see today—arid, cold, and covered in red dust—may have once been a "blue planet" with a vast ocean that ...

In the last ten years, researchers have started to characterize Mars less as a perpetually frozen desert and more as a planet that went through a tremendously ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Ancient shoreline features ...

In a groundbreaking discovery, scientists have detected what appears to be a hidden ocean beneath Mars’ northern pole. This revelation, derived from recent data and advanced radar technology, offers ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration of Mars as ...

Scientists have long suspected that Mars was once teeming with water, a tropical oasis with vast river systems that may have been able to support life billions of years ago. To get a better picture of ...

Mars may have once possessed an ocean at least as large as Earth's Arctic Ocean, a new study suggests. Previous research suggested rivers and seas once existed on Mars, raising the question of whether ...

In the eyes of many planetary scientists, the surface of Mars's northern hemisphere has long looked like it once contained an ocean. Now it is "sounding" that way, too. Previous evidence for an ...

The red planet was half blue, according to space scientists. A research team using images from cameras on Mars-orbiting spacecraft say it was a "blue planet" around three billion years ago – with an ...

FAYETTEVILLE, Ark. — Researchers at the University of Arkansas have recently discovered geological formations on Mars that suggest the past presence of large rivers that once flowed into an ocean.