The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too ...

For astronaut safety and to bolster success of the human exploration to come later, NASA needs an end-to-end demonstration of ...

How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that ...

The concept of terraforming Mars — transforming the planet's climate to support life as we know it — has long belonged to the realm of science fiction. But a new study argues that it's time to take ...

CAPE CANAVERAL, Fla. (AP) — Scientists revealed Wednesday that Mars’ innermost core appears to be a solid hunk of metal just like Earth’s. The Chinese-led research team based their findings on seismic ...

The big budget sci-fi movie from 2000, which starred Val Kilmer, Carrie-Anne Moss and Tom Sizemore as astronauts on the doomed first mission to Mars, was something of a box office disappointment when ...

NASA's sharp-eyed Mars Reconnaissance Orbiter (MRO) just notched a big milestone. MRO's HiRISE ("High Resolution Imaging Science Experiment") camera has now snapped 100,000 photos of the surface of ...

The groundbreaking discovery points to the possibility of past life on Mars. A 3.5-billion-year old rock discovered on the Red Planet is "the closest we've come to discovering ancient life on Mars," ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Matthew Shindell, Smithsonian Institution (THE CONVERSATION) Living in today’s age of ...

We all know Mars is called “The Red Planet,” but have you ever stopped to wonder—why is it red? The classic joke explanation has been, “It’s rusty.” While that’s not entirely wrong, the truth is far ...

When those particles reached the planet, they triggered a rare aurora in Mars's upper atmosphere. Unlike past detections of Martian auroras, which appeared only in ultraviolet light and required ...