If we're to land humans on Mars in the coming decades, we'll have to know what challenges await them when they get there.

Our two-person team loaded the car with a GPS, a drone, notebooks, sample bags, a trowel and a flat spatula lovingly called a ...

Mars may not have always been the dry and dusty world we imagine. A staggering network of ancient riverbeds, spanning over 15 ...

After its voyage past Mars, Mariner 4 maintained intermittent communication with JPL and returned data about the ...

Heather's European adventure takes a turn when she meets Jack - sparking an unexpected emotional journey neither of them saw ...

In a dramatic new discovery, scientists have identified over 15,000 kilometers of ancient riverbeds on Mars, revealing that ...

A new map shows hidden Martian rivers stretching thousands of miles, offering fresh evidence of a warm, wet ancient Mars.

SpaceX CEO Elon Musk wants to send a cargo ship to Mars by the end of next year. Here’s why that plan likely won’t pan out.

In 1892, Flammarion published “ The Planet Mars,” which remains to this day a definitive history of Mars observation up through the 19th century.

Looks like Mars might have had more water than anyone previously imagined.

Traditionally, Mars was thought to have been cold and dry, with only brief periods of melting ice creating short-lived rivers ...

NASA Odyssey orbiter snapped a first-ever image of a Mars volcano peeking above clouds before dawn. It’s twice as tall as Earth’s largest volcano.