The back-to-back eruptions caused radio blackouts across two hemispheres as the active sunspots turn to face Earth.

The X1.1-class solar flare created a temporary radio blackout over South America. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A major solar ...

The strongest solar flare since 2017 exploded on the sun late on Friday as a massive display of aurora took place on Earth. This latest solar flare came from a sunspot region called 3664, activity ...

A sunspot currently roiling on the side of the sun is slowly turning to face toward our planet, possibly putting us in the firing line for solar flares and subsequent radio blackouts. The sun fired ...

Having made its closest approach to the sun on Wednesday October 29, comet 3I/ATLAS will soon be visible from Earth ...

Astronomers have discovered a rare in-sync solar system with six planets moving like a grand cosmic orchestra, untouched by outside forces since their birth billions of years ago. The find, announced ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course. When ...