A blob of gas seen outside the Milky Way could be a type of starless, dark matter–dominated galaxy. Some scientists are skeptical.

A dazzling celestial display will light up the night sky in the form of the first meteor shower in three months. The Lyrid ...

Last weekend, the sun released two separate eruptions, each hurling a coronal mass ejection (CME) towards Earth.

"Due to the great pressure on the object, they begin to flash with a stretching tail and emit light,” said Rodríguez, one of ...

Aurora could be seen in the night sky as a severe geomagnetic storm erupts over Earth. Here are the best places to see the ...

A strong geomagnetic storm means the Northern Lights could be visible north of Chicago near the Illinois-Wisconsin border and ...

The northern lights were visible farther south than normal Tuesday, April 15, and they'll be visible again for some residents ...

Solar eruptions created a northern lights display in North America and Europe overnight, with more auroras expected through ...

A geomagnetic storm will likely disrupt Earth’s magnetic field after a recent burst of energy from the sun’s surface, pulling the northern lights to several states in the northern U.S. Wednesday night ...

Northern lights were forecast in Alaska, Washington, Oregon, Montana, North Dakota, South Dakota, Minnesota, Michigan, ...