Reach for the Stars is offering a family-friendly stargazing event in Tucson that includes views of Saturn, Jupiter, the Orion nebula, star clusters and galaxies.

Scientists have found a rare Einstein ring in “our cosmic backyard” using images from the Euclid space telescope. The ...

Scientists have found a rare “Einstein ring” near Earth – stumbling on it almost by accident.The rare phenomenon was spotted ...

This stereoscopic image was captured c.1870 during a meteorological expedition at New Hampshire's Mount Washington. The image was long forgotten until 2002 when it showed up on eBay and ultimately ...

The Euclid space telescope brings the Einstein Ring into view. Check out the accidental discovery and what it looks like ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the northern hemisphere).

Euclid blasted off on its six-year mission to explore the dark universe on 1 July 2023. Before the spacecraft could begin its ...

The "dark universe detective" space telescope Euclid has discovered its first Einstein ring in the process, learning about ...

Janet Petro became the first woman to lead NASA on Jan. 20, after U.S. President Donald Trump appointed her to be acting ...

Europe’s Euclid space telescope has detected a rare halo of bright light around a nearby galaxy, astronomers reported Monday.