For the first time, astronomers have traced a fast radio burst (FRB) to the outskirts of an ancient, dead, elliptical galaxy—an unprecedented home for a phenomenon previously associated with much younger galaxies.

Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 million stars.

An ultra-deep image from the National Science Foundation's Dark Energy Camera reveals a wide variety of galaxies in the unusual Antlia Cluster.

James Webb Space Telescope has shown new views of the universe that has previously remained inaccessible. Located at Lagrange Point 2, the telescope has been observing the universe every day.

The Hubble Space Telescope completes a high-resolution portrait of our galaxy's gorgeous neighbor, which will help scientists better understand our Milky Way.

In this episode, Dave Eicher invites you to go out and watch a close pairing of two naked-eye planets: Venus and Saturn. The two will be in the southwestern evening sky, and will be closest ...

The Hubble Space Telescope has produced the most comprehensive survey of the Andromeda galaxy, revealing new clues about its history. The Hubble survey, assembled from over 1,000 orbits and ...

The Samsung Galaxy S25 Ultra takes AI on phones to the next level with One UI 7 and cross-device actions, bringing AI agents into the mainstream. I went hands-on and like the personalized AI ...

Starting at 12:30 p.m. ET (1730 GMT) on Saturday (Jan. 25), astrophysicist Gianluca Masi of the Virtual Telescope Project will stream live telescope views of all six of the planets in marching order. You can watch the livestream courtesy of the Virtual Telescope Project directly on their website or YouTube channel.

The alignment of seven planets in the night sky has captivated observers for centuries, inspiring awe and curiosity. This celestial event, commonly referred to as a planetary parade, is not just a visual spectacle but also a significant opportunity for scientific inquiry.

Here’s how it works. Below, you’ll find all the latest confirmed information surrounding the Galaxy S25’s price, release date, design, cameras, features, and much more. Pre-orders live now ...

Here’s how it works. For a blow-by-blow account of the showcase, check out our Samsung Galaxy Unpacked live blog. And for our early impression of the Ultra, read our hands-on Samsung Galaxy S25 ...