Comet 3I/ATLAS is a rare visitor passing briefly through our solar system. Here’s how to find it in the night sky—and what ...

Activity on the sun is not constant; it varies along a cycle of about 11 years. The peak of this solar cycle — called solar ...

Researchers at the University of Hawaiʻi Institute for Astronomy (IfA) are helping reshape how scientists study the sun. The ...

The mysterious interstellar comet 3I/ATLAS is making its closest approach to Earth on Friday, offering scientists a rare ...

I've taken incredible photos of this interstellar comet for more than a month using two tiny iPad-connected scopes in my ...

"This work shows without a doubt that Parker Solar Probe is diving deep with every orbit into the region where the solar wind is born." ...

As development pushes these charismatic owls from their underground nesting sites, a solar project aims to show that habitat ...

CNET staff -- not advertisers, partners or business interests -- determine how we review products and services. If you buy through our links, we may earn a commission. Whether you're jetting off for ...

We tested 25 indoor air quality monitors and picked the 9 best to help you detect pollutants and breathe cleaner air at home.