A solar flare is a burst of radiation on the sun, according to NASA. They are the most powerful explosions in the solar system, with the biggest ones having as much energy as a billion hydrogen bombs.

A NASA spokesman said ongoing solar eruptions could hit “radio communications, electric power grids, navigation signals, and ...

A significant solar storm is approaching Earth, triggering alerts from NASA and global space agencies. The Sun emitted a ...

NASA and NOAA issue global alerts after the year's most powerful solar flare triggers radio blackouts; satellite and power ...

NASA warns of an approaching major solar storm, potentially causing radio blackouts, GPS issues, and vivid auroras ...

An X-class solar flare erupted from the Sun, causing a radio blackout across Europe, Asia, and the Middle East. Here's ...

Recent intense solar flares, originating from sunspot AR4087, have triggered global concerns about potential space weather ...

The Sun’s most active region is turning to face Earth, bringing a chance of powerful solar storms and dazzling auroras ...

NASA and NOAA are urging operators of critical systems to remain vigilant, with more solar activity expected as AR4087 moves further across the sun's surface.

A powerful X2.7-class solar flare may disrupt GPS and radio signals tonight, while also making the Northern Lights visible ...

The structure of one of the ejections has captured the attention of the scientific community due to its potential for ...