Tim McMillan

For more than two millennia, astronomers have puzzled over a stellar mystery recorded by some of history's greatest skywatchers.

Beneath the seemingly unbroken canopy of the southwestern Amazon rainforest lies evidence of one of the largest monumental landscapes ever discovered in the ancient Americas.

In recent years, advances in ancient DNA sequencing have redefined our understanding of human evolution, revealing that our species did not emerge

Researchers have demonstrated an unusual new form of 3D printing capable of building entirely new structures directly onto—and even around—existing objects in just seconds.

Humanity's greatest challenge in becoming a multi-planet species may not be building bigger rockets or landing astronauts on Mars.

A material that normally blocks the flow of electricity can suddenly begin behaving like a metal when exposed to remarkably weak light, according

One of the biggest challenges in the search for alien life is that Earth remains the only example of life we know.

Using the same basic physics based on the familiar hollow tone produced by blowing across an empty bottle, researchers in Switzerland have developed

Psychedelic drugs are often described as throwing the brain into a state where the usual rules begin to break down.

A small piece of material sits nearly motionless in the dark. However, shine light on it and within seconds it begins to swell at an extraordinary rate.