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

A massive sunspot is now directly facing Earth—and experts are warning it could unleash chaos. NASA and the National Oceanic ...

A solar flare is a burst of radiation on the sun, according to NASA. They are the most powerful explosions in the solar ...

Forecasters of space weather keep an eye on the sun to stay ahead of eruptions of solar material that have the ability to ...

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

A solar flare last week was so big it disrupted radio transmissions on Earth. Nasa said the burst of energy was the biggest ...

CTV Science and Technology expert Dan Riskin explains NASA’s solar flare warning, potential blackout risks, and which areas on Earth could be most affected.

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

Solar flares are intense bursts of radiation coming from the sun. They are the most powerful explosions in our solar system, ...

The most powerful eruption of 2025 so far was observed last week, and caused a 10-minute period of 'degraded communications' for high-frequency radio systems in the Middle East.

On May 13 and 14, NASA reported two separate solar flares that were ranked in the X-class, which marks the most intense flares, according to the agency. The flare on May 13 was classified as an X1 ...

Astronomers say sunspot AR4087 is coming into view and lining up with the Earth, increasing the chance of Northern Lights and ...