Solar flares and other activity can disrupt radio communications, power grids and navigation signals, according to NASA.

Scientists can usually spot coronal mass ejections before they affect Earth—but this one snuck past coronagraphs and ...

The quiet arrival offers another indication that the sun is moving into the declining phase of its 11-year cycle.

A recent solar storm spiked radiation levels tenfold in flight zones, prompting scientists to warn of potential future ...

Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial ...

The Sun fired a staggering X1.9-class solar flare at the turn of the month, triggering a sudden, widespread radio blackout ...

The flare peaked at 9:49 p.m. ET on November 30 and triggered an R3-level radio blackout on the sunlit side of Earth.

Though it generated beautiful auroras around the world, the Gannon solar storm in 2024 was also a little dangerous.

A massive solar storm in May 2024 gave scientists an unprecedented look at how Earth’s protective plasma layer collapses ...

Teams in France are assembling the core of ITER, the gigantic experiment that seeks to harness energy from fusion, similar to ...

Researchers from HSE University and the Space Research Institute of the Russian Academy of Sciences analyzed seven years of ...

Interstellar comet 3I/ATLAS is set to make its closest-ever approach to Earth on December 19, 2025, passing safely at a ...