The remarkable thing about our universe is that it’s possible to explore at least some of its inner workings with very simple tools. Gravity is one example, to which [Galileo]’s inclined planes and ...

A new image acquired by the European Space Agency's (ESA) Planck space telescope provides an unprecedented view of the oldest light in the Universe. The image represents the most detailed mapping of ...

A new analysis of the universe’s first light has cosmologists simultaneously patting themselves on the back and scratching on their chalkboards. The results, obtained from the Planck satellite and ...

"Planck's data delivers a remarkable abundance of riches," said cosmologist Krzysztof Gorski, who works on the U.S. portion of the Planck mission, during a NASA press conference Thursday. "We are very ...

The Planck mission released a new data catalog Tuesday from initial maps of the entire sky. The catalog includes thousands of never-before-seen dusty cocoons where stars are forming and some of the ...

Quarks and leptons, the building blocks of matter, are staggeringly small. Even the largest quarks are only about an attometer (a billionth of a billionth of a meter) in diameter. But zoom in closer—a ...

Science has helped people understand the world in ways once impossible. Scientific discoveries have changed our lives in many ...