People in the northernmost states may have a chance to see auroras glowing in the northern sky tonight.

Now, researchers using NASA's Imaging X-ray Polarimetry Explorer (IXPE) have gathered data about 12 known black holes to ...

Pink, purple and green skies were seen from Maine to New York ... A fast-moving coronal mass ejection (CME) -- a powerful ...

A geomagnetic storm supercharged Earth's auroras, or the northern lights overnight on Thursday (Oct. 10), with aurora watchers in the U.S. and across the globe on hand to capture the stunning ...

The sun erupted with an X-class solar flare on Halloween, and solar activity is expected to remain high through Nov. 3.

Before dawn the next day enormous auroral displays of red, green, and purple illuminated the ... Neither solid, liquid, nor gas, the sun is made up of plasma, the “fourth state of matter ...

After a massive solar flare erupted this week, NOAA issued a view-line map of the US, including more states with increased ...

Solar storms can disrupt GPS and air travel, and cause blackouts. Get one big enough, experts warn, and it could be a ...

NASA recently announced that as of late October, the Sun has reached solar maximum: a repeating crescendo of solar activity that often comes with increased solar flares. True to form, it seems like ...

NASA's IXPE mission has provided new insights into black holes' coronae, revealing their shape and enhancing our understanding of their structure. This data, derived from the observation of both ...

Coronal mass ejections are just blasts of plasma from the sun,” Jung explained ... Oxygen makes red colors. Purple and deep blues are from hydrogen and helium. Dark red is from nitrogen.

The extreme qualities of neutron stars could mean these dead stellar remnants gather dense clouds of hypothetical particles ...