Christine Lunsford

On May 18, 1969, NASA launched the Apollo 10 mission to the moon. See photos from this dress rehearsal for the Apollo lunar landings that followed in our full gallery here.

On May 15, 1963 NASA astronaut Gordon Cooper launched into space on the Faith 7 mission in his Mercury space capsule. See photos from Cooper's historic flight here.

The Mercury space capsule was the first American spacecraft built to carry astronauts. See photos of the space capsule's development leading up to the crewed flights in 1961 and beyond.

NASA's iconic Saturn V moon rocket and Apollo lunar landings get the Lego treatment in the NASA Apollo Saturn V Lego set. The set includes 1,969 pieces and debuts in June 2017.

See photos of the astronauts and cosmonauts in the Expedition 51 mission to the International Space Station.

Pioneering astronaut John Glenn, the first American ever to orbit Earth, was buried at Arlington National Cemetery on April 6, 2017. See NASA's photos of the somber memorial service.

See photos from the Expedition 50 mission to the International Space Station, with images taken by the outpost's six-person crew.

French astronaut Thomas Pesquet is capturing spectacular photos of Earth and space from the International Space Station. Check out his truly amazing photography here.

A mere 15,000 light-years from Earth, Westerlund 1 star cluster is home to a star that dwarfs Earth's sun. The Hubble Space Telescope captured this view of the star's home cluster.

On March 18, 2017, the U.S. military communications satellite WGS-9 launched into orbit atop a United Launch Alliance Delta IV rocket. See photos from the rocket launch here.

Two telescopes teamed up to image one of the most massive known galaxy clusters. The results can help astronomers understand the universe and its origins.

NASA's Orion spacecraft, which could one day help ferry humans to to Mars, completed a successful parachute drop test on March 8.

Galaxy UGC 12591 abides in the Pisces-Perseus Supercluster and is one of the largest known structures in the Universe.

Blue Origin released an animated video of its two-stage New Glenn rocket launching, releasing a satellite into orbit and its reusable booster returning to Earth.

Daphnis, one of Saturn's moons orbiting within the planet's rings, has an interesting effect on the A ring.

Direct sunlight may offer the best illumination of Dione, but Saturn can also provide enough reflected light to reveal the surface of this moon.

While Enceladus may present itself akin to many of its sister moons, under the foreboding outer shell, this moon may house the exact conditions life needs to thrive.

In Juno's trips around Jupiter, it snapped this image of the planet's south pole and a citizen scientist processed it into this artistic beauty.

NASA's Juno spacecraft captured this detailed image of Jupiter's northern latitudes including the large storm known as Little Red Spot.

Hubble snapped this image of the night sky, including a section of the constellation of Sagittarius, in elegant detail.

A first in preparations for a manned mission to Mars, several key pieces of the Orion spacecraft project were combined to test how launch vibrations could influence astronauts' function.