On Feb. 20, 1962, NASA astronaut John Glenn became the first American to orbit the Earth. See behind-the-scenes shots of his historic flight and the training he underwent to prepare for it.
A crewmember of the mock Mars mission HI-SEAS VI was admitted to the hospital yesterday morning (Feb. 19) after a minor accident, just a few days after the Hawaii-based simulation began.
The Milky Way is headed for a collision with the neighboring Andromeda galaxy, but scientists may need to re-evaluate how that collision will go: New research suggests Andromeda is smaller than astronomers thought.
NASA has certified the current version of the SpaceX Falcon 9 to launch some categories of science missions, a milestone needed for the upcoming, but delayed, launch of an astronomy spacecraft.
A thick, gooey, asphalt-like layer could lie beneath Pluto's crust.
The largest black holes grow faster than their galaxies, according to new research.
Ultradense quark stars, which mash together one of the universe's fundamental particles, may or may not be a physical possibility.
Hasbro has just unveiled its largest "Star Wars" toy ever, a giant version of Jabba the Hutt's Sail Barge, under the company's new HasLab crowdfunding initiative.
Hasbro has a new line of toys being released this year that will help fans recreate classic moments from the 'Star Wars' saga as well as create new moments from Solo: A 'Star Wars' Story.
SpaceX has delayed the launch of its next Falcon 9 rocket to no earlier than Wednesday (Feb. 21) to allow final checks of the rocket's upgraded nose cone.
NASA's next exoplanet-hunting space telescope has arrived in Florida, two months ahead of the instrument's planned launch.
We got our first look inside the Lego Kessel Run Millennium Falcon at the 2018 Toy Fair in New York today (Feb. 17). Join us for our first glimpse ahead of "Solo: A Star Wars Story."
SpaceX plans to launch the first two prototypes for its vast satellite-internet constellation Sunday (Feb. 18), and you can watch the liftoff live.
The flying saucer's copper bottom was covered in hieroglyphics, very much like the saucer discovered in Roswell, New Mexico.
Atop a volcano, a new eight-month long Mars simulation is underway.
Thanks to a solar storm, the northern part of North America may see a dazzling auroral display tonight.
NASA's plan to fly a quiet supersonic jet by 2021 could have world-changing consequences for air travel.
Feeling some Falcon Heavy withdrawal? You can relive the drama and spectacle of the giant SpaceX rocket's maiden launch, thanks to a new video that shows the journey of Elon Musk's Tesla and its mannequin driver, "Starman," out to deep space.
A dark storm on Neptune, once big enough to reach from Boston to Portugal, is dwindling to nothing as the Hubble Space Telescope keeps watch.
Two astronauts will head outside the International Space Station for a spacewalk today (Feb. 16), and you can watch their entire excursion live online.