An international team of astronomers has taken a close look at three distant galaxies and discovered that, in their central regions, something is missing in terms of mass. Or, more precisely, that ...

The time it takes for the sun to completely rotate depends where on the sun you are measuring.

The month is packed with skywatching highlights—including six visible planets, an annular solar eclipse, and the Milky Way’s bright core returning to view in the Northern Hemisphere.

Earlier telescopes, including Hubble, revealed the Helix as a serene, eye-shaped glow. Webb presents a more intimate view, ...

NASA scientists using the James Webb Space Telescope and Chandra X-ray Observatory have identified an early-stage galaxy cluster forming just one billion years after the Big Bang, challenging current ...

Scientists watched a solar flare grow from tiny magnetic sparks into a violent plasma-raining avalanche on the Sun.

You can predict the Sun’s distant future by looking far beyond the Solar System. Across the Milky Way, astronomers study ...

Webb’s latest image of the Helix Nebula reveals a dramatic close-up of a dying star shedding its outer layers. The detailed ...

A spectacular new image from the James Webb Space Telescope reveals intricate structures inside the Helix Nebula, where a ...

We just took down our Christmas lights for the year, but if we lived in Maine we might never put them up again. Our neighborhood is seasonally lit up like one of those quaint litt ...

That's the ethos behind Vaonis's Hestia. It's not a smart telescope, or even a normal telescope. Think of it as a lens to ...

"Until now, it was unknown what type of star would remain after the merger." ...