China’s Shijian-21 and Shijian-25 satellites, known as SJ-21 and SJ-25 for short, likely docked together in geosynchronous ...

The world's most powerful telescopes, including the James Webb Space Telescope and FAST, are revolutionizing our ...

China’s successful orbital satellite refueling operation marks a historic milestone that the US has not achieved.

But these Mission Extension Vehicles don't have the ability to transfer fluids from one satellite to another. That is the ...

Recent analyses indicate that asteroid 2023 DW is moving at a speed of 25 kilometers per second and is currently situated ...

France is leaning hard into near space, warning the area is increasingly contested, as evidenced by the Chinese spy ballon ...

Two international teams zoned in on a potential answer to a decades-long mystery surrounding ephemeral cosmic X-rays.

NASA has released an alarming forecast that a “City Killer” asteroid could collide with the Moon in 2032. The asteroid, ...

The payload Russia's military chose to launch on the Angara A5 is unusual. The rocket deployed its primary passenger, Kosmos ...

China may have just become the first country to attempt satellite-to-satellite refuelling in geosynchronous orbit ...

Only a few dozen of these short-lived binaries exist in the galaxy at a time, making the serendipitous find extremely ...

The Shenzhou-19 manned spaceflight crew made its public debut on Wednesday afternoon at a press event held in the Astronaut ...