Extreme velocities and temperatures makes the return flight to Earth the most perilous part of a space mission.

The Perseverance rover onboard Mars 2020 is our best bet for finding life on the red planet.

Duckweed is the perfect space food: small, fast-growing and nutritious. By studying how light levels changed the production of radiation-fighting antioxidants, researchers made it even better.

Martian meteorites allow scientists here on Earth to decode that planet's geology, more than a decade before the first missions are scheduled to bring rocks back home from Mars.

Empathy and scientific knowledge will be key for astronauts looking to travel to Mars.

When it comes to commercial space tourism, suborbital flight are the first frontier. But what are the risks? Are there health requirements? What should you know before taking such a way-out trip?

To intercept the ISS, the capsule must match the station’s speed, altitude and inclination.

To intercept the ISS, the capsule must match the station’s speed, altitude and inclination.