Accurately modeling irregularly-shaped particles isn’t easy, but a new study found a way to improve a century-old idea.

It is commonly assumed that tiny particles just go with the flow as they make their way through soil, biological tissue, and ...

Curious Kids is a series for children in which we ask experts to answer questions from kids. What is the smallest thing in the universe that actually exists? – Mimi, 12, Abeokuta, Nigeria To find an ...

Microscopic pieces of plastic are everywhere. Now, they've been found in bottled water in concentrations 10 to 100 times more than previously estimated. Researchers from Columbia University and ...

If dark matter particles decay, then scientists could hunt for signs of this process, including X-ray or gamma-ray radiation or even emitted "ghost particle" neutrinos, in vast clusters of galaxies.