Harvesting solar energy in orbit and beaming it down to Earth is a decades-old idea. Now, a raft of companies say they could ...
Driving a spacecraft around a planet isn’t anything like driving on a planet. A physicist explains orbital navigation.
A rare cosmic visitor, 3I/ATLAS, the third confirmed interstellar object, was discovered in July 2025. This object, on a ...
While our Sun prefers to go solo, many other stars are parts of binary systems, with a pair of stars gravitationally bound to each other. In some cases, the stars are far enough apart that planets can ...
In our last installment, we explored the evolution of the Starship concept and NASA’s decision to partner with SpaceX for the Artemis Program’s Human Landing System (HLS). We also touched on technical ...
A new mission set to blast off for low-Earth orbit will study magnetic storms around the Earth and learn more about how they affect our atmosphere and satellites. NASA's Tandem Reconnection and Cusp ...
The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the ...
HELSINKI — China has sent several small spacecraft into specialized lunar and cislunar orbits to test communications, navigation and orbital dynamics for planned Earth-moon infrastructure. China’s DRO ...
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