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

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

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 ...

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

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 ...

Observations of interstellar object 3I/ATLAS show increased water, carbon dioxide, and organic gas release after its passage near the Sun, based on data from NASA’s SPHEREx mission ...

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 ...

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

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, ...

The mysterious space rock that passed through our solar system grew significantly brighter as it left, according to ...

A total solar eclipse in April 2024 stunned millions across the United States.

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