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Both Voyager 1 and Voyager 2 are powered by decaying plutonium, and they lose around 4 watts of power every year. In the ...

The new moon occurs on Wednesday, Oct. 2, at 2:49 p.m. Eastern Daylight Time (1849 GMT), according to the U.S. Naval Observatory, and for observers in the southeastern Pacific islands and southern ...

"As a mainstream WISE Team member, working on WISE-detected distant galaxies, the steady occasional reference to 'Dyson ...

Today (Oct. 2), the moon and sun will create a "ring of fire" during an annular solar eclipse. Here's how and when to catch the spectacular phenomenon.

The U.S. Federal Aviation Administration (FAA) is requiring an investigation of the anomaly a SpaceX Falcon 9 rocket experienced during the Crew-9 astronaut launch on Sept. 28.

Following the suit demonstration, Yang Liwei, deputy chief designer of China's crewed space program and China's first ...