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

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"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 ...

For early risers, Comet Tsuchinshan-ATLAS offers a rare skywatching treat. But it's not just enjoyed by those of us on the ...

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 most exciting prospect at the (Uranian) moons is that they could still host subsurface oceans at present.” ...

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.

"Barnard b is one of the lowest-mass exoplanets known and one of the few known with a mass less than that of Earth." ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA scientists have calculated that Earth will capture a "second moon" on Sunday (Sept.

"The Milky Way's satellite population is a unique combination of small satellites containing only older stars, and its two ...