A NASA mission called Psyche is about to launch on a mission out to an unusual asteroid that's scientists believe is largely composed of metal.

NASA-backed researchers say that millions of acres of farmland have been abandoned due to the conflict.

Black holes may seem like interstellar enigmas, but they hold some key lessons on how to move through the universe.

A supermoon occurs when the moon is closest to Earth along its elliptical orbit, which means it can appear larger and brighter to viewers. The last one of the year will be visible Thursday and Friday.

NASA's Osiris-REx mission has successfully returned a pristine sample of asteroid back to Earth. This cupful-or-so of space rock could shed light on the solar system's origins.

This theoretical physicist and mathematician drops a new video several times a month, dispensing her dry wit and pithy wisdom to a loyal fan base of nerds across the internet.

NASA's first effort to retrieve samples from an asteroid will send a capsule that contains extraterrestrial pebbles and dust plunging towards a Utah desert on Sunday.

"The discovery signals a potentially habitable environment in the ocean of Europa," according to the Webb Space Telescope's website.

Frank Rubio's first mission broke the record for longest U.S. spaceflight last week. The medical doctor is a lieutenant colonel in the U.S. Army and served as a Blackhawk helicopter pilot.

A new image from NASA's James Webb Space Telescope reveals what Earth's sun could have looked like in its infancy.

NASA is releasing a new report from advisers on what it would take for the agency to study unidentified anomalous phenomena (also known as UFOs) scientifically.

A newly discovered green comet is zipping by Earth and is now visible for the first time since before Galileo invented his telescope.

The United Arab Emirates celebrated after Emirati astronaut Sultan Alneyadi splashed down to Earth following six months in space, a milestone for its growing space program.

The telescope will measure the speed and makeup of what lies between galaxies, information to help study how celestial objects were formed.

The four-member crew — three astronauts and a cosmonaut — launched in March and conducted more than 200 experiments. They also performed spacewalks and did maintenance on the orbiting outpost.