NASA

NASA astronauts head to International Space Station on Pi Day, taking off at 3:14 p.m., of course

Houston, we're launching at 3:14 p.m. on 3.14.

Elon Musk, SpaceX complete historic test flight to International Space Station

Elon Musk and SpaceX made history on Friday morning when its Dragon spacecraft splashed into Atlantic Ocean after a successful five-day trip to the ISS.

NASA is preparing for first all-female spacewalk

The spacewalk will take place at the end of Women’s History Month.

NASA announces first all-female spacewalk

The spacewalk will take place at the end of Women's History Month.

SpaceX capsule becomes 1st commercial spacecraft to dock with International Space Station

After taking off around 2:50 a.m. EST on Saturday, the capsule docked just before 6 a.m. Sunday, about 27 hours after liftoff.

Historic SpaceX test flight bound for International Space Station

The Dragon capsule, designed to carry astronauts, will collect data to prove the spaceship is safe for astronauts.

NASA honors hidden figure Katherine Johnson with building naming in 2017

Katherine Johnson, the "human computer," was a mathematician at NASA for 33 years.

NASA names facility after 'Hidden Figures' inspiration Katherine Johnson

The "human computer" continues to set milestones.

NASA ends mission for Mars rover, Opportunity, after 15 years

Opportunity went silent on June 10 after a massive dust storm covered the planet.

NASA ends mission for Mars rover, Opportunity, after 15 years

The rover was set for just a three-month life span after landing on Mars in 2012.

NASA makes space exploration history

NASA's New Horizon spacecraft flew past an object that is believed to be from the earliest days of the solar system.

Apollo 8 mission takes flight

Dec. 21, 1968: Apollo 8 was the first space mission to test the trajectory to the moon and back before actually landing on the moon, which would happen the following year.

NASA's OSIRIS-REx spacecraft arrives at asteroid Bennu after long journey

The rocket will bring samples of the asteroid back to Earth if all goes well.

NASA is looking for contractors for the next moon mission

Plus, YouTube adds stories and the U.S. military is testing exoskeletons for its soldiers.

NASA's InSight lander touches down on Mars

The mechanical three-legged, one-armed mining spacecraft landed and it will be the first mission to drill into the deep interior of Mars.

Getting to know Mars, the 'red planet'

Mars is the fourth planet from the sun and over 4.5 billion years old.

NASA's Insight lander successfully touches down on Mars

The lander will now investigate the planet's history by digging beneath its surface.

NASA's InSight lander touches down on Mars

NASA's InSight lander landed on Mars Monday afternoon, finishing one journey -- through space -- and now launching on another: to go deeper into Mars.

NASA probe to touch down on Mars today

The probe has been traveling since May. ABC News' Janai Norman reports.

Historic mission to Mars

The Mars Insight will attempt to land on the red planet for the first time in six years.

NASA opens $1 million public contest to turn carbon dioxide into sugar on Mars

The space agency needs the public's help to make the special "food."

Small leak discovered on Russian side of International Space Station, NASA says

Crew members initially slowed the pressure leak with polymer tape and are working on a more comprehensive, long-term repair.

NASA's Parker Solar Probe to give closest look ever at the sun

NASA has launched a mission to get closer than it's ever gotten before to the sun, its corona and solar wind.

US-made Fisher Space Pens celebrating 50 years of space travel

About a million pens are sold a year and they range in price from $5 to $150.

NASA technology reveals hidden script on Dead Sea Scrolls

Scientists used NASA technology to reveal hidden scripts on Dead Sea Scrolls.

NASA to send its newest satellite into orbit

The space agency says its mission is to discover dozens of planets relatively close to Earth.

NASA partnering with Lockheed Martin to build quiet supersonic plane

Lockheed Martin says the plane would produce a sound about as loud as a car door being closed.

NASA unveils plan for quieter supersonic aircraft

The first flight of the supersonic X-plane is scheduled for the summer of 2021.

John Young, an 'astronauts' astronaut' who flew to the moon twice, dies

NASA astronaut enjoys the view during spacewalk

NASA astronaut Randy Bresnik takes a moment to enjoy the view as he performs maintenance work on the International Space Station.

NASA tests engine for manned flight into deep space

The engine is intended to work with the Orion, a spacecraft designed for manned missions out of Earth's orbit and into deep space.

Colliding neutron stars create ripples in space-time, NASA says

This animation shows a rare cosmic phenomenon called a kilonova that took place 130 million light-years from Earth.

Astronauts go spacewalking outside ISS

NASA astronauts perform a spacewalk outside the International Space Station to grease new latching mechanism.

NASA's Cassini spacecraft sends final image

The spacecraft disintegrated above Saturn following a 20-year journey.

Peggy Whitson clocks in 665 days in space

9-year-old makes plea for NASA job

A 9-year-old alien enthusiast from New Jersey sent a handwritten letter to NASA asking to be considered for a job working with astronauts.

Two sisters to work with NASA during solar eclipse

Rebecca and Kimberly Yeung are participating in NASA's Eclipse Ballooning project in conjunction with the University of Montana on Aug. 21.

Science-loving sisters will work with NASA during total solar eclipse

Two sisters from Seattle, Washington, are turning their family science project into the opportunity of a lifetime: working with NASA during the total solar eclipse.

Check out this water bubble in space

NASA astronaut Jack Fischer created a water bubble to show what happens to water in zero gravity.

Meet the 9-year-old who wrote letter to NASA

Jack Davis discusses why he sent a handwritten letter to NASA asking to be considered for a job working with astronauts.

9-year-old writes letter to NASA asking to be considered for a job

He wrote that he'd make a great fit for the planetary protection officer role.

NASA spacecraft shows new images of Jupiter's Great Red Spot

NASA's Juno spacecraft passes over Jupiter's Great Red Spot closer than ever before, hoping to unlock secrets of the mammoth storm.

NASA to send unmanned probe to investigate the sun up close

The one-of-a-kind mission is named after physicist Eugene Parker.

Astronaut demonstrates eating pudding in space

NASA astronaut Jack Fischer demonstrates how to eat pudding in zero gravity aboard the International Space Station.

Bag containing moon dust from Apollo 11 expected to sell for millions at auction

Astronauts perform 200th spacewalk at International Space Station

Commander Peggy Whitson and Flight Engineer Jack Fischer, both NASA astronauts, conducted the milestone.

May 5, 1961: Alan Shepard becomes the first U.S. astronaut in space

In 1961, Shepard made the first manned Project Mercury flight for NASA.

NASA astronaut teaches you how to make PB&J

Robert Kimbrough demonstrates how to make a peanut butter and jelly sandwich in zero gravity aboard the International Space Station.

Astronaut Peggy Whitson holds records for longest time in space by an American

Whitson is the first woman to command at NASA, take eight space walks and orbit nearly 250 miles above the Earth.