Images captured by NASA's Solar Dynamics Observatory have revealed that "coronal loops" give off subtle flashes of ...

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

The joint European-Japanese mission is only the second survey of Mercury, the least explored planet in the inner solar system ...

"Some of the extreme ultraviolet light above active regions flickers erratically for a few hours before a solar flare," ...

The U.S. Postal Service has issued two new stamps featuring iconic images from NASA’s James Webb Space Telescope. The stamps, ...

BepiColombo passed a mere 295 kilometers above Mercury's surface at 6:59 CET on Jan. 9. The flyby began on the planet's ...

For decades, scientists have tried in vain to accurately predict solar flares—intense bursts of light on the sun that can ...

It was intended to “communicate a story of our world to extraterrestrials”, Nasa says ... the last images taken by the Voyager spacecraft, and represented a look at our solar system as ...

The probe accelerated to 430,000 mph, faster than any spacecraft has ever flown, traveling to within 3.8 million miles of the star’s surface.