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

Engaging articles, breathtaking images and expert knowledge Issues delivered straight to your door ...

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

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

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 ...

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.