NASA is now targeting an evening launch window for PUNCH and SPHEREx that opens at 10:09 P.M. EST on Tuesday, March 4. On ...

The Voyager probes are each turning off an instrument to avoid ending their 47-year-long missions later this year.

Cosmic rays are particles from outer space that travel across the universe. They can be made by the sun, by other stars exploding, and even black holes. They move extremely fast, nearly the speed of ...

"The gamma-ray burst traveled through intergalactic space at the speed of light for eleven billion years, during which time the Sun and the planets were born." — Timothy Ferris, in the film ...

X-ray missions to better understand the Universe ... These findings may point to the existence of a new class of variable object in space.

"It is a great stroke of luck that Aditya-L1 was able to witness such a strong flare right at the beginning of its research ...

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These 'sun rays' are also known as crepuscular rays ... an atmospheric scientist with the Space Science Institute in Boulder, Colorado. "By looking at colour transitions, we're seeing particle ...

NEW YORK (AP) — NASA is switching off two science instruments on its long-running twin Voyager spacecraft to save power. The space agency said Wednesday an instrument on Voyager 2 that measures ...

A flash of powerful X-ray light coming from ... White dwarfs are the final stage of sun-like stars that have expelled their outer layers to uncover their cores. Breaking space news, the latest ...