A ‘cosmic clock’ in tiny crystals has revealed the rise and fall of Australia’s ancient landscapes
We show how this "cosmic clock" uncovers the evolution of rivers, coasts and habitats.
Space.com headlines crossword quiz for week of Jan. 26, 2026: Which planet may have a July meteor shower?
Test your space smarts with our weekly crossword challenge, crafted from Space.com's biggest headlines.
1.1 million mph cosmic winds race through ‘magnetic superhighway’ in colliding galaxies
Astronomers have discovered powerful magnetic fields steering gas, dust, and star formation in a dramatic galaxy merger.
Comet C/2025 K1 (ATLAS) crumbles apart in stunning new telescope images
The comet broke into pieces after making a close approach around the sun in October 2025.
Astronomers watch 1st black hole ever imaged launch a 3,000‑light‑year‑long cosmic jet from its glowing ‘shadow’
"It is amazing to see that we are gradually moving towards combining these breakthrough observations across multiple frequencies and completing the picture of the jet launching region."
NASA’s Juno spacecraft spots the largest volcanic eruption ever seen on Jupiter’s moon Io
"What makes the event even more extraordinary is that it did not involve a single volcano, but multiple active sources."
Jupiter’s moon Europa has an ice shell about 18 miles thick — and that could be bad news for alien life
Using data gathered by NASA's Juno Jupiter orbiter, scientists estimate that Europa's ice shell is about 18 miles thick — which could make it hard for nutrients to get down to its buried ocean.
Satellite sees river flow across the globe | Space photo of the day for Jan. 29, 2025
Along with this stunning image is the first-ever global estimate of river water discharge and overall sediment suspension.
James Webb Space Telescope reveals new origin story for the universe’s 1st supermassive black holes
Recent James Webb Space Telescope data confirms a decade-old theory that the universe's earliest supermassive black holes formed without stars.
NASA exoplanet probe tracks interstellar comet 3I/ATLAS to gauge its spin
The interstellar visitor may still have a few things to tell us before it leaves our solar system.