NASA plans to launch Artemis III in 2027, marking the next major mission in its effort to return astronauts to the moon for the first time since Apollo. (AP Photo)

NASA is saying farewell to the Maven Mars mission after losing contact with the spacecraft last December. Former NASA Astronaut José Hernández talks about the history of the spacecraft and what we learned from the mission.

Four astronauts are preparing for a perilous return through Earth's atmosphere to make a splashdown near California and put the finishing touches on a moon-circling mission that will etch their names in history. NASA's Artemis II mission has for more than ...

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 less than a year.

The Liquid Oxygen Flight demonstration (LOXSAT) will help NASA test and develop technologies to support in-space transfer and storage of cryogenic propellants, critical abilities for the Artemis program to return astronauts to the moon.

A health scare prompted the first ever early return from the International Space Station for a medical reason. Does it change the plan for deep space missions?

SpaceX tapped cryptocurrency billionaire Chun Wang to lead a private crewed mission around Mars and the moon. Here's everything to know (so far).

A prototype ion engine that uses lithium vapor as a propellant has aced its first tests, achieving 25 times more power than previous ion engines.