Lobster-eye satellite Einstein Probe captured the X-ray flash from a very elusive celestial pair. The discovery opens a new ...

The sun is much more than a bright light in the sky. It's a giant ball of burning gas that holds our cosmic neighborhood ...

The core of a star reaches temperatures—energy levels ... such as the wildly over-ionized iron (Fe¹³+) in our Sun's ...

An exoplanet is a planet that orbits a star other than our sun. “But the planet is too close to the host star, closer than the habitable zone … even if the star is about 2,500 degrees cooler ...

When they reach the end of their long evolutions, smaller stars—those up to eight times as massive as our own sun—typically become white dwarfs. These ancient stars are incredibly dense.

Show more In five programmes, Dava Sobel orbits the sun, getting as close as she dares, to understand the immense relationship we have with our nearest star. The Sun, our star, the source and ...