The sun released a strong solar flare Monday, setting up a geomagnetic storm watch for Wednesday evening — and chance for ...

A moderate geomagnetic storm could bring northern lights displays to U.S. states further south than usual, forecasts show.

Interstellar objects entering the solar system are rare. So rare, in fact, that the one astronomers are watching right now is just the third ever observed. Coronal mass ejections aren’t quite that ...

A recent solar storm may energize the northern lights, pushing them into the U.S. Here's when the aurora may shine over Ohio.

The ESA/NASA Solar and Heliospheric Observatory (SOHO) captured a coronal mass ejection erupt from the far side of the Sun.

Another round of auroras may put on a dazzling display across U.S. states this evening, so be sure to look up Elizabeth Ruggiero/Getty A powerful mass ejection (CME) from sunspot AR4199 is set to ...

Coronal mass ejections (CMEs) are dramatic expulsions of plasma and magnetic fields from the Sun’s corona that can trigger a spectrum of space weather phenomena. These solar eruptions, as they ...

A coronal mass ejection (CME) is a large-scale eruptive solar phenomenon in which magnetized plasma from the Sun’s corona is expelled into interplanetary space, typically associated with magnetic ...

Solar energetic particle (SEP) events and coronal mass ejections (CMEs) are central features of solar activity that significantly influence space weather. SEPs are high‐energy particles expelled ...