Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic ...

NOAA's CCOR-1 coronagraph captured the blast that showed the sun's raw power in action.

The sun is frequently ejecting huge masses of plasma, called coronal mass ejections (CMEs), into space. They often occur ...

Scientists have spotted elusive "magnetic waves" in the sun's atmosphere that may explain why the sun's corona is much hotter ...

A coronal mass ejection on another star has been witnessed in its entirety for the first time, revealing that when these ...

For nearly five decades, NASA’s Voyager 1 and 2 spacecraft have ventured farther than any other human-made object, pushing ...

From communications outages to a brush with nuclear war, solar events like flares and coronal mass ejections have shaped ...

Study discovered that Chiron, a small icy world between Saturn and Uranus, is forming rings. This shows how small worlds ...

Astronomers have used simultaneous ground-based and space-based observations to measure the temperature and velocity of gas ...

I/ATLAS was first spotted by NASA scientists in May this year. Ever since, it has displayed behaviors that are not just ...

Researchers rarely get a glimpse of an interstellar object up close like 3I-ATLAS, so they have jumped on the opportunity to learn about its composition, which can reveal how planet systems are made.

Astronomers have identified 3I/ATLAS, an ancient, ice-rich interstellar comet potentially older than our solar system.