NASA

NASA is set to unveil a new planetary discovery, but debate still persists about what qualifies as a planet.

NASA experts are holding a press conference to unveil new information about exoplanets, which are planets that revolve around a star other than our Sun. Watch the NASA live stream here.

The Falcon 9 rocket with a Dragon cargo capsule will contain more than 5,000 pounds of supplies.

Formerly the ninth planet but demoted to dwarf status a decade ago, Pluto was discovered 87 years ago.

The space agency dropped its plan to fire the spacecraft’s main engine, a risky maneuver that would have reduced the orbital period to 14 days for its fifth flyby of Jupiter.

Space CEO Elon Musk says company is investigating leak prior to launch.

NASA is studying the possibility of adding a crew to an unmanned mission and moving up a scheduled moon landing.

Live out those astronaut dreams and help NASA find Planet 9.

The UAE planned for the "mini-city" to have a population of 600,000.

The probe will have to withstand temperatures of 2,500 degrees Fahrenheit, but it will get closer to the sun than any spacecraft ever has before.

A new study was released detailing observations made and information gathered by astronomers who captured a supernova three hours after it exploded.

Sidd Bikkannavar, a U.S.-born citizen, was headed back from a trip to Patagonia.

The technology would increase efficiency while automating some of the work done by air traffic controllers.

A lunar eclipse, snow moon and comet will all be visible in the sky Friday evening.

SpaceX plans to launch its Falcon 9 rockets every two or three weeks.

Uber has hired a former NASA engineer to head up the company's flying car initiative.

For NASA, visiting Mars isn't just science fiction.

The new images suggest the presence of tiny "moonlets" that could be located within Saturn's rings.

NASA's new technique separates living organisms from non-living sources through identifying amino acids.

Despite the impression that most space missions conduct liftoff from the ground, the International Space Station is actually a large spacecraft orbiting the Earth.

The GOES-16 weather satellite, formerly called GOES-R, was launched Nov. 19 and captured the images, made public Monday, on Jan. 15.