The highly anticipated program has faced a series of delays from the originally planned Aug. 26 launch due to unfavorable weather conditions and a ground system issue.

NASA is taking no chances when it comes to safety, even if it means an eight-day mission turned into eight months on the ISS.

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

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

A NASA astronaut captured this stunning timelapse of an "orbital sunrise" while flying over Europe on the International Space Station.

New research suggests that volcanoes were still erupting on the moon when dinosaurs roamed Earth

As the NASA astronauts who crewed Boeing's Starliner to the ISS wait until February 2025 to come home, here's how much radiation they may have been exposed to.

NASA says a small, harmless asteroid has burned up in Earth’s atmosphere

A 21-year-old college student, Karsen Kitchen, made space history as the youngest woman ever to cross the Kármán line, the border between the Earth’s atmosphere and outer space.

Researchers are trying to understand how cells transition from earth to space.

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

The two American astronauts' stay on the International Space Station has been extended because NASA has ruled the Boeing Starliner craft unsafe.

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

There was once a magma-filled ocean on the south pole of the moon, scientists recently discovered after analyzing lunar soil.

A supermoon coinciding with a blue moon is exceptionally rare, according to NASA, with the next pairing happening in January and March 2037.

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

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.

Marking one of the most plentiful meteor showers in the Northern Hemisphere, the Perseids showcase approximately 50 to 100 meteors per hour, NASA reports.

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.

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.

The last recorded T Coronae Borealis explosion occurred in 1946.

T Coronae Borealis is one of just 10 recurring novas known in the Milky Way that erupt on time scales of less than a century, according to NASA.

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

The full moon in July is known as the buck moon and will arrive on July 21, 2024, at 06:17 a.m. ET.

Officials report that the fireball may have flown at 34,000 miles per hour as it passed over the Statue of Liberty before disintegrating over Midtown Manhattan.

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.

Butch Wilmore and Suni Williams were originally to return to Earth on June 14.

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

Analyzing data gathered by the James Webb Space Telescope, scientists discovered that an exoplanet named HD 189733 b, contains hydrogen sulfide.

The return vehicle touched down in China’s Siziwang Banner after a 53-day mission.

China's lunar probe Change'6 returned to Earth Wednesday with the first-ever samples of rock and soil collected from the far side of the moon.

The return has been postponed for a fourth time as NASA wants more time to review test data after helium leaks and thruster issues.

The full moon in May is known as the Flower Moon and will arrive on May 23, 2024 at 9:53 p.m. E.T.

Boeing said its Starliner spacecraft is experiencing five "small" helium leaks as the crew's mission aboard the ISS was extended to June 18.

Despite the leaks, the Starliner has more than enough helium needed for a normal mission end, according to NASA.

Patches of water frost equating to "60 Olympic-size swimming pools" have been detected on Mars.

Starliner successfully docked at the ISS on Thursday after helium leaks developed as Starliner made its way to the ISS.

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

The astronauts are now expected to spend one week aboard the ISS and will evaluate Starliner and its systems.

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

After several delays, Boeing's Starliner capsule launched its first astronaut-crewed flight into space to the International Space Station (ISS) on Wednesday.

Russian cosmonaut Oleg Kononenko, 59, is set to return to Earth in September 2024.

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.