A team of scientists from around the world has created the first system that can predict when and where extremely powerful ...

Sunspots are cooler areas on the sun's surface that appear darker compared to their surroundings. These solar blemishes are ...

NOAA is forecasting a G1-class geomagnetic storm on Monday, Feb. 23, through Tuesday, Feb. 24, with the aurora borealis possible from northern U.S. states and Canada.

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a ...

Magnetic field reversal is a fascinating topic. You are brought up to think that the compass, pointing to the north, is an ...

Richard Carrington’s name has long been connected with the most intense solar storm ever recorded, but his face was unknown ...

This cluster of sunspots has produced more than 60 solar flares, including several that could spark colorful auroras across parts of the northern U.S.

On February 4, 2026, the Sun unleashed an intense X4.2 solar flare, sparking significant radio blackouts across parts of Africa and Europe. This powerful eruption was triggered by sunspot group AR4366 ...

An intense solar flare erupted from a spot on the sun on Sunday, triggering radio blackouts across the South Pacific Ocean—and now scientists are warning of geomagnetic storms in the coming days. The ...

Many in the U.S. faced another night of below-freezing temperatures and no electricity after a colossal winter storm heaped more snow Monday on the Northeast and kept parts of the South coated in ice.