Chelsea Gohd

The world's largest and most powerful particle accelerator is about to turn back on.

The astronauts set to launch aboard the SpaceX Crew-4 mission to the International Space Station have arrived in Florida ahead of their planned April 23 liftoff.

In 2021, a team of hologram doctors was "holoported" to space to visit astronauts living aboard the International Space Station, NASA has revealed.

After months living and working in space, NASA's SpaceX Crew-3 astronauts are nearing the end of their mission and ready to come home.

Eytan Stibbe, a private astronaut and the second Israeli to ever reach space, prepares to celebrate Passover in orbit.

A gigantic comet is actually the largest ever seen, new observations by the Hubble Space Telescope confirm.

NASA's newest Mars rover and its trusty helicopter companion were spotted all the way from space in a new photo.

Four private astronauts left Earth this morning (April 8), riding a SpaceX capsule toward the International Space Station on a history-making liftoff that wowed observers.

This morning (April 8), a SpaceX Falcon 9 rocket blasted off, launching the first fully private crewed mission to the International Space Station.

SpaceX will launch a former NASA astronaut and three paying customers on a journey to the International Space Station. That mission, called Ax-1, lifts off today (April 8)!

The first all-private crewed mission to the International Space Station is ready to fly, mission leaders announced today (April 7).

Former NASA astronaut Michael López-Alegría is about to fly to orbit with three paying passengers — but the trio aren't "space tourists," the veteran spaceflyer stresses.

NASA's Kepler space telescope has spotted a Jupiter look-alike in a new discovery, even though the instrument stopped operations four years ago.

Axiom Space and its crew are ready to make history.

NASA and SpaceX are pushing the Crew-4 mission back one day because of a jam-packed launch schedule, officials announced today (March 31).

Scientists using the Hubble Space Telescope just made a remarkable discovery, and they gave it quite a unique name.

NASA astronaut Mark Vande Hei can't wait to see his wife after landing back on Earth after a record-breaking mission.

Humanity is making a giant leap back to the moon and to Mars. But one giant obstacle continues to plague the humans making this progress possible: sexual harassment.

Almost 50 years ago, in the midst of the Cold War, American astronauts flew to space alongside cosmonauts as part of NASA's first attempt to forge a partnership between the U.S. and Russia in space.

Russian cosmonaut Anton Shkaplerov handed over "the keys" to the International Space Station today (March 29) as NASA astronaut Mark Vande Hei said goodbye to the international space crew.

SpaceX's Crew-4 mission will launch toward the International Space Station on April 19. And the mission's Dragon capsule just got a name: Freedom.

NASA's moonbound rocket rolled to the launch pad, and satellites orbiting Earth captured the milestone from space.

Watch it go! NASA's Artemis 1 moon mission is on its way to the launch pad.

The first mission in NASA's Artemis moon program is set to roll out to the launch pad today (March 17).