Quantum communication has quietly crossed a new threshold, with researchers now showing that fragile quantum states can be sent from the ground to orbit in a way that looks increasingly practical for ...

Another day, another ambitious company emerges to harness the power of the Sun from Earth's orbit. Okay, it's not quite that common an occurrence, but there are indeed a number of firms giving this a ...

India notched a spaceflight milestone today (Sept. 3). A GSLV Mark II rocket launched an Earth-imaging satellite toward geosynchronous orbit from Satish Dhawan Space Centre today at 5:25 p.m. EDT ...

Update March 17, 3:10 a.m. EDT (0710 UTC): SpaceX confirms satellite deployment. SpaceX crossed the threshold of having more than 10,000 Starlink satellites in low Earth orbit simultaneously for the ...

Seventy years ago, Earth had only one satellite: the moon. Now it has more than 15,000—about 10,000 of which are owned by Elon Musk's SpaceX. The world's first trillionaire plans to launch 1 million ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. An artist's impression of the Orion capsule. “We are go for TLI!” The call, not uttered ...

Running out of fuel might leave a car stranded, but a satellite keeps moving.