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Rocket Lab launched its 21st and final mission of the year over the weekend, sending a private Japanese Earth-observing satellite to orbit.

Qingzhou is a lighter and potentially lower-cost alternative to China's Tianzhou freighter.

Auroras may be visible from Alaska to Idaho as incoming speedy solar wind continues to buffet Earth's magnetic field.

Bitcoin-mining mega data center seen leaking heat into the environment in an image captured from orbit by a thermometer satellite

The first scientific balloon flight happened on Dec. 16, 2025.

On Dec. 22, 1966, the HL-10 Lifting Body took its first flight.

"I think every astronomer is going to find something of value here, as NASA's missions enable the world to answer fundamental questions about how the universe got its start, and how it changed to eventually create a home for us in it."

Find out what you can see in the night sky for tonight, from planets and stars to dazzling meteor showers.

The latest aurora forecast for tonight help you make sure you're in the right place at the right time to see the northern lights.

A Japanese H3 rocket suffered an anomaly during the launch of a navigation satellite on Sunday night (Dec. 21), resulting in the loss of the spacecraft.