A privately built SpaceX Falcon 9 rocket made a historic third spaceflight on Dec. 3, 2018, lofting a U.S.-record 64 satellites into orbit. Here's a look at the mission in pictures.
A Falcon 9 rocket with a twice-flown first stage lifted off from California's Vandenberg Air Force Base today (Dec. 3), carrying 64 tiny satellites to orbit. SpaceX had never launched the same first stage three times before.
In an instant, the airburst devastated an area north of the Dead Sea.
A new paper reveals that it would cost less to slow climate change than it would to fix New York City's subway system.
NASA's chief Jim Bridenstine said Saturday (Dec. 1) that the entire U.S. space agency is in mourning for President George H. W. Bush, who died in his Houston home Friday at age 94.
SpaceX is now aiming to launch a reusable Falcon 9 booster on its third flight, a first for the company, no earlier than Monday (Dec. 3) to allow time for additional checks.
NASA apparently likes to keep its Mondays exciting; tomorrow, the agency will participate in a crew launch to the International Space Station and oversee a spacecraft reaching its asteroid target; SpaceX will also launch today.
During its full first day on Mars, NASA's solar-powered InSight lander generated more electrical power in one day than any previous Mars vehicle has, mission team members said.
The Fox Broadcasting Company and the producers of the science-based series "Cosmos," are investigating host Neil deGrasse Tyson following claims of sexual misconduct by three women.
The genus Homo is estimated to be between 1.5 and 2.5 million years old. At approximately the same time, in space, the light from our neighboring galaxy Andromeda M31 departed from the point in space where it is located, in the constellation of Andromeda.
A mysterious cosmic signal that was detected above the North Pole could be coming from fast-spinning grains of dust.
What happens when you cross a blimp with a plane, and give it a few helicopter abilities? A lighter-than-air plimp-hybrid airship is born, according to a Seattle-based company looking for investors.
Astrophysicist Paul Sutter, whose new book "Your Place in the Universe" aims to bring the nearly 14-billion-year history of the cosmos down to Earth. And now, you have a chance to win a copy from Space.com!
Four months ago, people in a small Madagascar town caught sight of a fireball shooting across the early-evening sky. Its boom was so loud, the ground shook.
As you read this, a small comet is on its way toward making a very close pass of Earth in mid-December — its best appearance over a period of four centuries.
NASA Administrator Jim Bridenstine himself ordered a safety review of SpaceX and Boeing after seeing Elon Musk's behavior on a podcast this past September, according to The Atlantic.
Star Wars: Galaxy of Stories will bring iconic moments of the Star Wars saga to kids.
Once again, a decades-old theory of gravity has survived a modern scientific onslaught. Einstein wins again.
Several hours of diplomatic negotiations ensued as a plane — full of roughly 60 VIPs, journalists and astronaut family members en route to the Expedition 58 launch activities — experienced a forced detour.
The launch of Expedition 58 (Dec. 3) may be one of the last for U.S. astronauts aboard Russian Soyuz rockets.