Sean Penn will star in Hulu’s upcoming Mars series, 'The First'
It’s his first regular TV role.
Trump's NASA nominee is willing to study climate change... on Mars
But Earth? Not so likely.
What's next for NASA as Cassini's mission comes to a close
The space agency has almost too many celestial bodies to study
Mars has a less dense crust than astronomers thought
Understanding the crust provides important information about the planet’s evolution.
Broken wheels won't stop Curiosity from exploring Mars
The lonesome robot is showing signs of aging.
Here's a full-length look at SpaceX's spacesuit
Elon Musk posted the head-to-toe pic on Instagram.
Researchers want astronauts to put their biological waste to work
They’re using urine and exhaled air to fuel yeasts that can generate useful byproducts.
Swiftly-falling snowstorms may fall at night on Mars
The nocturnal atmospheric conditions are unstable, leading to quickly-descending icy particles.
Optical laser uses shockwaves to peer inside distant planets
It has as much kick as 17 Teslas discharging their batteries in a second.