After weeks of reduced activity, the sun erupted with three powerful flares on a single day. That could send solar flares ...

An active sunspot could give photographers another reason to photograph the night skies this weekend. A solar flare that hit ...

After more than three weeks without a powerful solar flare, the sun has suddenly ramped up its activity, firing off three ...

After weeks of relative quiet, the Sun has erupted with a series of powerful solar flares, signaling a return to more active space weather conditions. Over the weekend, three M-class solar flares were ...

The M4.4 solar flare unleashed a coronal mass ejection (CME) into space — and Earth might just receive a glancing blow.

The sun has had an active few days, firing several powerful solar flares and (plumes of searing-hot solar material out into space. On Tuesday (May 13), a sunspot on the sun's surface named AR4086 ...

After a 22-day lull, sunspot AR 4168 unleashed three M-class flares on Aug. 3–4. They may cause brief radio blackouts and auroras from glancing CMEs.

In the span of two days last week, the sun released two strong solar flares — meaning the solar system experienced its most powerful explosions which can cause some communications blackouts on Earth, ...

Hale’s discovery of solar magnetism about 50 years after the Carrington event, along with records showing that auroras had an 11-year cycle similar to that of the sun, formed the basis of our ...

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.