Solar flares and other activity can disrupt radio communications, power grids and navigation signals, according to NASA.

Learn more about two of the earliest reports of a total solar eclipse and corona, which were recorded in China, and solve ...

A sunspot, potentially generating multiple solar flares, may lead to auroras that could be visible as far south as Alabama.

This year has given stargazers plenty of opportunities to catch the colorful auroras of the northern lights flicker across the night sky, and that's expected to continue as the sun is now in its solar ...

The ESA's JUICE probe has for the first time photographed interstellar comet 3I/ATLAS in an active state, revealing a glowing ...

Massive solar flares, graceful eruptions of solar material, and an enormous sunspot make up some of the imagery captured by NASA's Solar Dynamics Observatory in 2013 and 2014. A year ago this weekend, ...

Once-rare displays of Northern Lights at southerly latitudes look set to continue for the foreseeable future as scientists confirmed that August saw the sun at its most active for 23 years. The sun's ...

Analysis of the second confirmed interstellar comet to visit our solar system suggests that the alien body could be covered ...

Has the Sun’s activity increased or decreased in the last few years? This is what a recent study published in The Astrophysical Journal Letters hopes to address as a team of scientists investigated ...

Interstellar comet 3I/ATLAS may be a primitive carbonaceous object, according to a new preprint study comparing the object's ...

(PhysOrg.com) -- New photographs of the gas giant Jupiter, the first taken on May 9, show the massive reddish band of clouds known as the Southern Equatorial Belt in the planet’s southern hemisphere ...