"All of this in just five years." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The U.S. Space Force celebrates its fifth anniversary today.
Spaceflight and exploration have changed tremendously over the past 25 years. Since 1999, we've seen the birth of a vibrant private spaceflight sector, led by Elon Musk's SpaceX, and the rise of an ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. SpaceX is wrapping ...
A decade ago humanity launched around 200 objects into space per year. Now we launch more than 2,600, with no prospects for slowing down. This rapid expansion of human activity in outer space has ...
NPR's Leila Fadel talks to Marlon Sorge of The Aerospace Corporation, which researches space debris issues including who is responsible when man-made objects fall from space. A 1,000-pound metal ring ...
When I was a mere lad, probably in middle school, I remember a friend telling me that the Apollo astronauts could see the Great Wall of China from the moon. If someone told me that now, I’d know ...
Physicists of the 19th century assumed that space was distinct from time – and two researchers now suspect they were correct to do so. Their conclusion, which comes from considering the behaviour of ...
Koki Ho receives funding from NASA, AFRL, NSF, and industry. He is affiliated with the American Institute of Aeronautics and Astronautics (AIAA) and the Consortium for Space Mobility and In-Space ...
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