Large and complex sunspot groups characterize the surface of the dynamic sun during its activity cycle. A new camera system ...

Find the best scalp sunscreens for sun protection this year, whether you want a lotion, spray or powder. Shop Elta MD, Coola, ...

My telescope, set up for astrophotography in my light-polluted San Diego backyard, was pointed at a galaxy unfathomably far ...

The sun is Earth's closest star, yet its beauty is too intense to appreciate with the naked eye. Here are some of the most stunning solar images that our satellites and telescopes have captured.

Oral Tranexamic Acid: This is another treatment Dr. Rambhia prefers when it comes to managing melasma. When taken orally, ...

But when scientists peer very far back, they find conundrums. JWST observations of the distant past are at odds with ...

On what might have been the proudest day of Jack Burns’s long career in astronomy, he was sitting on a beach. Orbital ...

The June 2025 issue of Scientific American is packed with exciting features, from magnificent mitochondria and a plan to ...

Using various ground-based and space telescopes, an international team of astronomers has observed a highly variable young ...

Large and complex sunspot groups characterize the surface of the dynamic Sun during its activity cycle. A new camera system ...

A solar flare last week was so big it disrupted radio transmissions on Earth. Nasa said the burst of energy was the biggest ...

Get all the news you need in your inbox each morning. Dozens of images posted in the comments depicted what appeared to be the same sight in cities like Fountain Hills, Payson, and ...