The ancient Greeks speculated that it might be air, fire or water. A century ago, physicists felt sure it was the atom. Today, we believe that the deepest layer of reality is populated by a diverse ...

“There’s a lot of meanings for ‘small,’” says Janet Conrad, a particle physicist at the Massachusetts Institute of Technology ...

Astrophysicist Paul Sutter explains Quantum Mechanics - the body of scientific laws that describe the wacky behavior of ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Caroline Mullen Caroline Mullen is a writer focused on cleaning and organizing ...

Data may challenge and reshape current models of solar wind evolution. A recent study led by Dr. Michael Starkey of the ...

One of the researchers behind a pioneering new study on bottled water answers PEOPLE's questions about their investigation's unsettling findings Johnny Dodd is a senior writer at PEOPLE, who focuses ...

The team began its work with the idea that particles exchange small portions of electric charge when they collide in ...

Gold mixes with seawater from rivers, aeolian dust, and hydrothermal vents. It also binds to particles and settles on the ...

Tiny particles of plastic have been found everywhere — from the deepest place on the planet, the Mariana Trench, to the top of Mount Everest. And now more and more studies are finding that ...

Over millennia, humans have observed and been inspired by beautiful displays of light bands dancing across dark night skies. Today, we call these lights the aurora: the aurora borealis in the northern ...