The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s ...
Dark-energy evidence suggests the universe will end in a “big crunch” roughly 20 billion years from now. The universe is nearing the halfway point of what may be a 33-billion-year lifespan, according ...
If it is a galaxy, it would be the oldest known galaxy in the cosmos, but it could also be a brown dwarf or an early black hole.
Evidence of this quantum layer may be coming soon. Here’s what you’ll learn in this story: Physicists are still puzzling over ...
The universe has quasi-moons, mini-moons, and moonlets, but no official definition of what counts as a moon.
Scientists from around the world are at Brown to discuss what is known, and what needs to be learned, about the long-sought particle discovered a decade ago.
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