A comet whizzing through the Solar System has astonished scientists by doing something they had never seen before. In early ...

Close-up measurements from NASA’s Parker Solar Probe are giving scientists an unprecedented look at how the solar wind gains ...

Comet 3I/ATLAS is a visitor that will never call the solar system home. Identified on a one-way path that carries it in and ...

NASA’s Parker Solar Probe has spent the past year repeatedly diving into the sun’s outer atmosphere at speeds no human-made ...

NASA’s Parker Solar Probe has completed a historic milestone by traveling closer to the Sun than any spacecraft before it. The groundbreaking data it has collected is offering new insights into the ...

The boundary of the Solar System remains somewhat poorly understood. We know we are within it, in a region of space called the heliosphere, where particles released by the Sun dominate. Beyond it, the ...

What occurs when the most open alien yet drops by when the astronomers vision of the heavens is getting increasingly polluted ...

The fate of a comet that was predicted to pass close to Earth remains a mystery five years after its dramatic breakup in the ...

A solar storm is a catchall term that describes any disturbance in the sun that involves the violent ejection of solar ...

The Sun is now at the most active point in its roughly 11‑year solar cycle, and scientists say the current peak has arrived earlier and more forcefully than first expected. As activity climbs, ...

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.

How big it is: 865,000 miles (1.392 million kilometers) across How far away it is: 93 million miles (150 million km) What type of star it is: A yellow dwarf star The sun is the star at the center of ...