When the biggest geomagnetic storm in 20 years hit Earth in May 2024, photographer Kavan Chay was in Tumbledown Bay, New ...

This annual showcase highlights some of the world's best space photography, with winners, runners-up, and highly commended ...

This is the largest photomosaic yet assembled from Hubble Space Telescope observations. It is a panoramic view of the Andromeda galaxy, located 2.5 million light years away from Earth. This mosaic ...

As we chatted, I suddenly had a thought: what if there really are aliens in the Andromeda Galaxy? Can they see us Earthlings ...

"Beyond the Milky Way lie billions of other galaxies, drifting a few million light years from one another like lily pads floating on the surface of a pond." — Timothy Ferris in Seeing in the Dark A ...

The reason that teams on multiple telescopes in all different directions could hear this noise is that this annoying sound was actually the Cosmic Microwave Background (CMB)—radiation left over from ...

This week’s naked-eye object is the Beehive Cluster in Cancer the Crab. Because this cluster is bright — magnitude 3.1 — it has acquired other proper names throughout history. Messier made it number ...

Researchers have long thought that the Milky Way would collide with the Andromeda galaxy in four to five billion years. This scientific illustration depicts Earth's horizon four billion years in the ...

The image of the Serpens Nebula you see above, taken by NASA’s James Webb Space Telescope (JWST), not only looks mesmerizing but also captures a never-before-seen phenomenon. The aligned, elongated ...

A close-up of the "mane" of the Horsehead Nebula, located some 1,300 light-years from Earth. This view was captured by the James Webb Space Telescope's Mid-Infrared Instrument. NASA, ESA, CSA, K.