James Webb Space Telescope unwraps the dusty shrouds of dying stars
Using the James Webb Space Telescope, astronomers have probed the dusty shells that surround dying stars called Wolf-Rayet stars.
Why scientists are so excited about the newfound interstellar comet 3I/ATLAS (op-ed)
The scientific and cultural impact of 3I/ATLAS over the coming months and years will serve as an exemplar of what astronomy can learn and why it matters.
Did you feel it? Earth just had one of its shortest days ever and 2 more are coming
As Earth spins faster than it has in decades, atomic clocks are catching the difference, and shorter days are on the horizon.
Scientists discover ice in space isn’t like water on Earth after all
Scientists had assumed that the ice in space was purely amorphous, but new experiments show it can have a partly crystalline structure similar to ice on Earth.
NASA’s asteroid-crash Earth defense tactic has a complication — DART ejected large boulders into space
"You can think of it as a cosmic pool game. We might miss the pocket if we don't consider all the variables."
Astronomers trace mysterious blast of X-rays to ‘Die Hard’ star that refuses to perish (video)
Astronomers have traced a mysterious blast of X-rays to a star that, like a cosmic action hero, just refused to die.
ISS astronaut spies sunglint from Lake Titicaca | Space photo of the day for July 9, 2025
The astronaut was able to capture the lake reflecting direct sunlight at the camera.
JWST finds cosmic monster ruling tiny early galaxy: Was it forged by black holes from the Big Bang?
The discovery of a monster-sized black hole in a pristine galaxy unspoiled by stellar death suggests growth via mergers between primordial black holes formed during the Big Bang.
The ‘sound of the Big Bang’ hints that Earth may sit in a cosmic void 2 billion light-years wide
The "Hubble tension," one of the most frustrating and lingering problems in science, could be solved if Earth and the Milky Way sit in a low-density void.
See interstellar comet 3I/ATLAS zoom through solar system in new telescope imagery (video)
The European Southern Observatory has captured the clearest images yet of the interstellar visitor 3I/ATLAS as it moves inward through the solar system.