If you just bought a new house with a big yard, or your old riding mower is about ready for replacement, you’re probably faced with the question: Zero-turn or lawn tractor? There are arguments to be ...

Human evolution wasn’t a steady march toward bigger brains and better tools, a new study argues. Researchers compared 87 fossil skull fragments against six evolutionary models ranging from random ...

The researchers propose that brain mitochondria work in two complementary modes: a long-timescale “baseline” mode that keeps neurons and circuits primed, and an “activity-evoked” mode that delivers ...

We mine more sand every year than any other solid material, and scientists warn that we’re taking more than the planet can replenish.

The Roman-era longhouses were built along a popular trade route from the time in an area where most people lived on isolated farmsteads.

This puzzle is a variation of the knights and knaves puzzles created by American mathematician Raymond Smullyan. It was published for the first time in its basic form by American philosopher and ...

The Colorado River is approaching thresholds its dams were never meant to cross. What happens next could transform how water and electricity move across the American Southwest.

Fixed-blade knives are one of humanity's oldest tools, but they're far from obsolete. While folding pocket knives are more ...

First was the crackdown on hobbyist drones. Now, robot vacuums are finding themselves in the FCC’s crosshairs. In the latest expansion of the agency’s “Covered List,” the Federal Communications ...

While moss form vital substrates that allow more complex plant and animal life to move into new ecological niches, the plants themselves are often seen as simple lifeforms.

The Low folds in half and comes with straps that make it easy to carry over a shoulder. While it doesn’t pack down tight ...

These otherworldly orbs of light in the Chihuahuan Desert have perplexed locals for more than a century, but modern science ...