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, ...

A high-velocity solar storm, triggered by the Sun’s most powerful eruption of the year, is currently interacting with Earth’s magnetic field. Space weather experts have warned about potential G4-class ...

The biggest solar flare in nearly 20 years has erupted from the sun, sparking radio blackouts across North and South America. It was rated an X8.7-class flare—the most powerful since 2005—and was ...

The colossal ball of hot gas at the center of our solar system will be lively for the next year, NASA said. The sun has reached its "solar maximum period," which is a state of heightened activity in ...

The sun continues to erupt massive solar flares, and NASA recently reported two so far Monday morning, a class X1.7 around 9:40 a.m. ET and a strong class X1.1 solar flare peaking at 11:27 a.m. on ...

The intensity of the Sun’s activity ebbs and flows across years, but also across decades—a behavior that scientists haven’t quite figured out yet. At the turn of the 21 st century, astrophysicists ...

Earlier this year, on July 1, a 20-inch telescope in the Rio Hurtado Valley of Chile was conducting its nightly survey when it detected something remarkable. One of five telescopes in the NASA-funded ...

A mysterious space object named 2023 KQ14, nicknamed “Ammonite,” challenges theories about the mysterious and possible Planet ...

The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space weather, NASA said.