Exploring Mars used to be a top priority for NASA and SpaceX. But a dramatic shift is underway as the administration tries to ...

The first human Mars explorers won’t have it easy. Every additional day in deep space will increase their exposure to deadly ...

A researcher says he found a possible shortcut to Mars that would halve the time it takes to travel to the planet and back to ...

Nasa is developing ways to use nuclear power to send spacecraft to their destinations. Nuclear propulsion could greatly ...

For centuries, humans have looked to the night sky searching for answers about the universe—and their place within it. For star astrophysicist Neil deGrasse Tyson, that instinct to explore remains one ...

Scientists study whether Aspergillus calidoustus could survive Mars-like conditions, raising new concerns about microbes in ...

Springtime has arrived at the Red Planet's Chasma Boreale, as this photo by NASA's Mars Reconnaissance Orbiter shows.