Mars once looked far more like Earth, with a thicker atmosphere and liquid water pooling on its surface, yet today it is a ...

When the early Earth’s magma ocean crystallized 4.4 billion years ago, the deep mantle trapped an ocean’s worth of water, ...

The blueprint outlines the equipment, landing-site criteria and environmental constraints that will determine what is ...

A NASA spacecraft that has been doing laps around Mars for more than a decade has gone silent – and no one knows why. The ...

New research reveals that Earth’s solid inner core is actually in a superionic state, where carbon atoms flow freely through ...

A NASA spacecraft that has been doing laps around Mars for more than a decade has gone silent – and no one knows why. The ...

What the Soviets Found on Venus reveals a hellish surface, reanalyzed Venera data, and why those probes still guide today’s ...

How a booming smuggling market led a 15-ton iron space rock to be stolen, sold by terrorists and hidden somewhere in China ...

Uranus and Neptune may not be the icy worlds we’ve long imagined. A new Swiss-led study uses innovative hybrid modeling to ...

When astronauts set foot on Mars, it will be one of humanity’s greatest milestones, marking the start of a new era of ...

"The detection of life on Mars is a persistent top priority for explorers of many disciplines, and it is the top science ...

One mission would involve a full 300 sols on the Red Planet, with the goal of finding extinct or current life on Mars. But ...