A G1 (minor) geomagnetic storm is often the result of Earth plunging into a fast stream of the solar wind, or when a small, ...

More states in the northern U.S. will have a chance of seeing aurora borealis on Friday, as high-speed winds from a spot on ...

NOAA forecasts a Kp index of three on a scale of nine for Tuesday night, meaning the aurora borealis will “become brighter” ...

This Valentine's Day, stargazers in some parts of the United States will have the opportunity to experience the surreal views ...

Lobster-eye satellite Einstein Probe captured the X-ray flash from a very elusive celestial pair. The discovery opens a new way to explore how massive stars interact and evolve, confirming the unique ...

A minor-to-moderate geomagnetic storm is expected Saturday night, the National Oceanic and Atmospheric Administration said.

Imagine gazing up at the night sky this Valentine's Day and witnessing a celestial dance of colors. The Northern Lights are ...

This famous “battle zone” refers to a phase of the solar cycle during which the appearance of giant coronal holes is observed ...

The Origin of the Sun's Magnetic Field Could Lie Close to Its Surface May 22, 2024 — Surprise findings suggest sunspots and solar flares could be generated by a magnetic field within the Sun's ...

The supermassive black hole in the heart of the Milky Way Galaxy, Sagittarius A*, constantly emits flares like fireworks.