Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...

"Pale Blue Dot" – one of the last photos taken by Voyager 1 – is still the most distant image of the Earth. Astronomer Carl ...

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China has managed to deliver a pair of satellites into lunar orbit despite the spacecraft initially being stranded in low ...

Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...

Elon Musk's internet satellites have been a game changer for people in rural areas, but scientists are alarmed that plans to ...

Before arriving at the moon, the small satellite mission will use the gravity of the sun, Earth, and moon over several months ...

The Lunar Trailblazer satellite will depart at the end of the month on a mission to find and map water on the surface of the ...

Scientists are studying Saturn's moon Titan to assess its tidal dissipation rate, the energy lost as it orbits the ringed planet with its massive gravitational force. Understanding tidal dissipation ...

Astronomers will use the Webb telescope to closely monitor the size and trajectory of an asteroid that has a slim chance of hitting Earth in 2032.

K2 Space is changing the economics of satellite connectivity and functionality, having designed a resilient, high power, high ...