Solar activity surged on December 1, 2025, with a powerful flare from a small sunspot. This event disrupted radio ...

As this month's string of powerful X-class solar flares sparked brilliant auroras that lit up skies across an unusually wide swath of the globe—from northern Europe to Florida—researchers at NJIT's ...

A powerful X1.9 solar flare from new sunspot AR4299 triggered strong radio blackouts, as giant sunspot AR4294 rotates into ...

Considered our solar system's largest explosive events, solar flares can sometimes be as strong as a billion hydrogen bombs. Those with enough energy output to rank as an X-class have the potential to ...

A massive solar storm has delayed the launch of Blue Origin's New Glenn rocket for a second time. The rocket is scheduled to carry NASA's ESCAPADE twin satellites on a mission to Mars. The Space ...

The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space weather and technology on Earth, NASA announced this week. A new research, ...

NEW YORK — Space weather forecasters issued an alert on Tuesday for incoming severe solar storms that could produce colorful northern lights and temporarily disrupt communications. In the past few ...

Back in 2019, a consortium of scientists predicted August 2025 as the peak of the solar activity cycle. But where are we now? The sun is powered by the nuclear fusion of hydrogen to helium, deep ...

Solar activity, manifested primarily through sunspots, solar flares and coronal mass ejections, has long influenced both the near-space environment and terrestrial systems. Over millennia, variations ...

Earthquakes have long been considered unpredictable, but a new study suggests that solar activity could play a role in triggering seismic events. Researchers from the University of Tsukuba in Japan ...

A year ago this weekend, the sun’s activity created some of the most spectacular auroras on record, with displays visible as far south as Florida. The incredible spectacles last May (and another ...