The spacecraft will complete nearly 50 flybys of the Jupiter moon of Europa to determine if there are conditions suitable for life.

A massive NASA spacecraft has set sail for Jupiter and its moon Europa

NASA's Europa Clipper is set to launch on Oct. 14 from NASA’s Kennedy Space Center in Florida.

A spacecraft has blasted off to investigate the scene of a cosmic crash

Elon Musk’s SpaceX was selected to bring home NASA's astronauts Butch Wilmore and Suni Williams.

NASA launched SpaceX craft Saturday afternoon, as part of its mission to head to the International Space Station and bring back two stranded astronauts back to Earth.

Saturday’s scheduled launch of SpaceX’s Dragon spacecraft will go up with two empty seats in the capsule to return astronauts Butch Wilmore and Suni Williams back to Earth.

The asteroid will orbit the Earth for about two months starting from Sept. 29.

Dubbed "araneiform terrain," the Mars surface formations span over a half-mile long and have hundreds of branches that resemble spider legs, according to NASA.

The group of female mathematicians and engineers were honored in a ceremony.

Black female mathematicians, aeronautical engineers and human computers who worked for NASA during the 20th-century space race were awarded the Congressional Gold Medal on Capitol Hill.

The Black NASA female mathematicians and aeronautical engineers referred to as the "Hidden Figures" were awarded the Congressional Gold Medal this week.

The Space-X capsule splashed down in the Gulf of Mexico after a five-day trip that took its passengers further from Earth than anyone has traveled since NASA's Apollo missions half a century ago.

Barry "Butch" Wilmore and Sunita "Suni" Williams are expected to return to earth in February in a SpaceX capsule.

Butch Wilmore and Suni Williams said Friday they don't feel "let down" by Boeing's Starliner returning to Earth without them and waiting on the ISS until February.

Butch Wilmore and Suni Williams held a news conference from the Boeing Starliner at the International Space Station on Friday.

The automated capsule landed in Mexico overnight without the American astronauts that were on board when it launched in June. They will return home with SpaceX when it flies to the ISS in February.

Boeing's Starliner undocked from the ISS on Friday and landed in New Mexico just after midnight.

Due to safety concerns, Boeing's troubled Starliner space capsule returned to earth without crew.

The Starliner spacecraft is scheduled to return to Earth from the International Space Station without astronauts Butch Wilmore and Suni Williams.

A university professor is about to venture out of this world to carry out a science experiment decades in the making.

Astronauts Barry "Butch" Wilmore and Sunita "Suni" Williams arrived via Boeing Starliner in June, but will return in a different spacecraft. Their mission was slated to last eight days.

NASA officials said there was “too much uncertainty” about the Boeing Starliner to return astronauts Butch Wilmore and Suni Williams to Earth, stretching their eight-day mission into eight months.

NASA says astronauts Butch Wilmore and Suni Williams will go home February 2025 on a Space-X craft; Their return delayed another 6 months. Boeing's Starliner spacecraft will return to Earth unmanned.

NASA said Saturday the astronauts who flew Boeing's Starliner to the ISS have to return to Earth on a different spacecraft in 2025.

NASA said Saturday the astronauts that flew Boeing's Starliner to the ISS have to return to Earth on a different spacecraft in 2025.

NASA is weighing all options as two astronauts could be stranded on International Space Station until next year.

The Perseverance rover will begin the Crater Rim Campaign on Aug. 19.

The Perseverance rover is the centerpiece of NASA's Mars 2020 mission, working to collect data in preparation for future human exploration of the Red Planet.

Former astronaut Cady Coleman explains how the astronauts will be able to survive in space in the coming months and what the potential plan could be to bring them home.

NASA officials said during a press conference on Wednesday that the astronauts who flew on Boeing's Starliner may have to come home on a different spacecraft.

NASA officials announced that the two astronauts who traveled to the International Space Station (ISS) aboard Boeing's Starliner may need to return to Earth on a different spacecraft.

New images released from NASA’s mission to intentionally collide with an asteroid in 2022 have revealed information on the origins of the asteroid system.

Veteran NASA astronauts Barry "Butch" Wilmore and Sunita "Suni" Williams' return to Earth delayed until at least August, officials said Thursday.

Veteran NASA astronauts Barry "Butch" Wilmore and Sunita "Suni" Williams' return to Earth delayed until at least August, officials said Thursday.

ABC News' Rhiannon Ally reports on the rare fireball seen and felt yesterday in the Northeast.

To celebrate the two-year milestone of the James Webb Space Telescope capturing and sending images back to Earth, NASA released another stunning image the revolutionary space telescope took.

NASA's yearlong simulated Mars mission at the Johnson Space Center in Houston is helping pave the way for an astronaut-crewed Mars mission in the coming decades.

NASA's yearlong simulated Mars mission at the Johnson Space Center in Houston, Texas is helping pave the way for an astronaut-crewed Mars mission in the coming decades.

NASA astronauts Butch Wilmore and Suni Williams said during a press conference on Wednesday they feel 'confident' Boeing's Starliner can bring them home.

Kelly Haston, Anca Selariu, Ross Brockwell and Nathan Jones were greeted by a round of applause as they emerged from the 1,700-square-foot, 3D-printed habitat.

The crew of a NASA mission to Mars emerged from their craft after a yearlong voyage that never left Earth.

Two NASA astronauts have no set date to return to Earth and are stuck waiting aboard the ISS due to several mechanical issues with Boeing's Starliner spacecraft.

The newly discovered twins both emit jets of gas from their north and south poles and are among a group of stars called WL 20.

Boeing's Starliner successfully docked at the International Space Station after managing three helium leaks and a thruster issue,

The Boeing Starliner is orbiting Earth and will be docking at the ISS on Thursday after a delayed launch.

Now if the mission is successful, NASA could certify the spacecraft to perform routine missions to and from the ISS.

Boeing's Starliner launched its first astronaut-crewed flight into space on Wednesday after several delays.

NASA hired Boeing along with SpaceX after the space shuttles retired to transport astronauts to and from the International Space Station.

The launch of Boeing's Starliner this week will deliver a replacement toilet pump, essential to keeping water clean on the International Space Station. ABC News' Andrew Dymburt explains.