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

I/ATLAS sent a message to Earth after it passed its perihelion. Scientists found the interstellar object brightened fivefold ...

NASA confirms 3I/ATLAS visible tonight — learn when and where to spot the rare interstellar comet lighting up Earth's skies ...

The sun is governed by a strict rhythm. The magnetic activity of the sun displays a cyclic variation, reaching a maximum ...

Comet 3I/ATLAS, a 7-billion-year-old visitor from another star system, is stirring alien rumors. Scientists explain why the ...

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

Interstellar comet 3I/ATLAS has changed color for the third time as it peeks out from behind the sun. The biggest, brightest ...

Strong wind and heavy rain are anticipated across Northern California through Wednesday as a powerful storm threatens the ...

The region has unleashed at least two powerful solar flares in the last 12 hours, and experts are certain there's more to ...

A moderate solar flare might affect radio communications on Earth, the National Oceanic and Atmospheric Administration said ...

In roughly five billion years, scientists warn that our sun will burn the last of its hydrogen fuel and begin expanding into ...

Scientists used the James Webb Space Telescope to check if another Earth-sized planet orbits Proxima Centauri, our nearest ...