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New photos of comet 3I/ATLAS reveal its tail growing before our eyes
By Harry Baker published
New images reveal interstellar comet 3I/ATLAS beginning to grow a signature tail as it zooms closer to the sun ahead of a close encounter with Earth this fall.

'Blood moon' gallery: Stunning snaps from last night's total lunar eclipse
By Patrick Pester published
A "blood moon" hovered above parts of the globe last night. And while North America missed out, we've rounded up some of the best photographs of September 2025's total lunar eclipse.

James Webb telescope finds a warped 'Butterfly Star' shedding its chrysalis — Space photo of the week
By Jamie Carter published
The James Webb Space Telescope has snapped a new view of a planet-forming disk within the Taurus star-forming region.

Scientists find 'something extraordinary' in famous supernova's troubled heart
By Evan Gough published
Scientists using the Chandra X-ray telescope have uncovered new details about the famous supernova remnant Cassiopeia A.

The universe's first magnetic fields were 'comparable' to the human brain — and still linger within the 'cosmic web'
By Harry Baker published
New computer simulations suggest the first magnetic fields that emerged after the Big Bang were much weaker than expected — containing the equivalent magnetic energy of a human brain.

How to stream Sunday's 'blood moon' total lunar eclipse
By Brandon Specktor last updated
The final 'blood moon' total lunar eclipse of 2025 is coming this Sunday (Sept. 7-8). Here's where the celestial spectacle will be visible — and how to watch it if you're not in the path.

James Webb telescope spots odd disk around star that could shatter planet formation theories
By Elizabeth Howell published
Astronomers using the James Webb Space Telescope have discovered a planet-forming disk that almost entirely lacks water, challenging prevailing theories.

James Webb telescope discovers 'exceptionally rare' 5-galaxy crash in the early universe
By Shreejaya Karantha published
Near-infrared images from the James Webb Space Telescope revealed five early universe galaxies merging within a large halo.

Who will see the 'blood moon' total lunar eclipse this weekend?
By Jamie Carter published
The full moon on Sept. 7, 2025 will be a "blood moon" total lunar eclipse. Here's who will see the longest total lunar eclipse since 2022.

Dozens of mysterious blobs discovered inside Mars may be the remnants of 'failed planets'
By Harry Baker published
"Marsquake" data collected by NASA's InSight lander have revealed dozens of mysterious blobs within the Red Planet's mantle. The structures may have been left by powerful impacts up to 4.5 billion years ago.
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