The boundary of the Solar System remains somewhat poorly understood. We know we are within it, in a region of space called ...

At an estimated velocity of 250,000 kilometers per hour, interstellar Comet 3I/ATLAS lacked the luxury of long, recurring ...

NASA researchers show that artificial intelligence can anticipate solar flare buildups by tracking subtle changes across the ...

Largest solar radiation storm in more than 20 years could trigger auroras on Earth - A solar radiation storm this large has ...

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, ...

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 ...

Using data collected by NASA's Parker Solar Probe during its closest approach to the sun, a University of Arizona-led ...

Scientists hunting for life beyond Earth have discovered more than 1,800 planets outside our solar system, or exoplanets, in recent years, but so far, no one has been able to confirm an exomoon. Now, ...

Scientists have long suspected that the Sun’s 11-year cycle influences climate of certain regions on Earth. Yet records of average, seasonal temperatures do not date back far enough to confirm any ...