An artist's concept of multiple types of subatomic particles. Forget about turtles; for all practical purposes, it’s really particles all the way down. Consider the seemingly simple matter of their ...

On human timescales, the universe may as well be eternal. It’ll be here long after our species and our planet are gone, but ...

In a groundbreaking study published inNature Astronomy, astronomers have identified the lowest-mass dark object ever ...

They're tiny, invisible, and travel across the universe. And trillions of them just flew through your body. What are they? Neutrinos ‒ and scientists Wednesday announced the discovery of the most ...

The dark object has a mass a million times greater than our sun's is located 10 billion light-years away and has no stars.

Everything we see around us, from the ground beneath our feet to the most remote galaxies, is made of matter. For scientists, that has long posed a problem: According to physicists’ best current ...

There's a significant imbalance between matter and antimatter in our universe, but a strange particle called "the Majoron" could finally explain it, an audacious new study suggests. When you purchase ...