The sun’s outer atmosphere resembles a pufferfish.

Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

Earth is about to see three total solar eclipses in just under two years, with each successive path of totality moving west ...

In May 2024, the strongest solar storm in twenty years raged. An international team led by ETH Zurich observed it. Their ...

Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope ...

“It’s a milestone in solar physics,” said Ioannis Kontogiannis, a solar physicist at the Swiss Federal Institute of ...

Researchers have confirmed the mass of a free-floating planet thanks to a lucky convergence of ground- and space-based ...

Have you ever found something unexpected in your hamburger? Astronomers using the Atacama Large Millimeter/submillimeter ...

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

A potential new type of celestial object has all the makings of a normal small galaxy. It’s rich with the same hydrogen gas ...

Scientists tracked a single active region on the Sun for 94 days using two spacecraft, far beyond the typical two-week ...

Most of the planets we’ve identified are in orbit around stars and formed from the disks of gas and dust that surrounded the ...