Earlier this week, the number of visible sunspots on our home star fell to zero for the first time in 1,335 days. This ...

When a dramatic solar video began circulating earlier this year, it looked like something out of science fiction: a bright filament at the Sun’s north pole appeared to shear away and whirl around the ...

The sun's visible disk has been perfectly free from sunspots for the first time since June 2022, suggesting the current solar cycle might be heading toward its quieter phase.

Cornellians have become experts on taking on sunny days in Ithaca — especially after a frigid and long winter. From sitting out on Libe Slope soaking up the sun, throwing frisbees on the Arts Quad or ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

Every image you've ever seen of the sun is looking at its equator, because Earth's orbit sits there with a 7.25-degree tilt. That means humans have never had a good angle to view the sun's north and ...

NASA s CODEX experiment aboard the International Space Station is revealing the Sun like never before. Using advanced filters and a specialized coronagraph, CODEX has captured images showing that the ...

Is a sun a star or a planet? Current definitions define a star as a body that generates its own energy. While humans have relied on the sun for hundreds of thousands of years, it's only in the last ...

The temperature in the Sun's core is about 27 million degrees Fahrenheit (15 million degrees Celsius), hot enough to make fusion reactions work perfectly. 5 million gigapascals. Think about this: the ...

Things are getting hotter and hotter here on Earth, and global warming has everyone panicking. But let us try a wild idea: what if we took every drop of Earth’s water and poured it on the Sun? Could ...

Why UV radiation doesn’t take a seasonal break—and the aesthetician-approved steps to protect yourself.

It’s impossible to forget just how much the sun affects life on our planet. It’s overwhelmingly the source of our light and heat, providing just enough to maintain the delicate climatic balance we ...