A study of more than 1,000 men found that higher body fat was linked to lower sperm counts, even among those with a normal BMI.

New four-legged robot adapts its movement in real time, using AI to choose the best gait for stairs, rocks, slopes, and other ...

Climate change could push many lakes past a tipping point, leading to sudden losses of winter ice across the Northern ...

How does a pile of unwanted clothing become large enough to show up in a satellite image? Near Alto Hospicio in northern ...

Scientists discovered that vesper bats have a unique immune system that may help them respond to many different viruses.

Scientists traced Batavia shipwreck stones to two German quarries, revealing a carefully organized European supply chain from 1629.

Small shower habits, not personal traits, have the biggest impact on how long people shower and how much water they waste.

A new study in mice finds the brain does not run on a single internal clock. Two brain regions that both track the passage of time can stay in step or drift apart. They switch between a shared sense ...

A large study found female songbirds often die younger than males, with migration and survival differences likely playing important roles.

A new study puts a number on it anyway: 6.5 million Americans sleep in buildings inside landslide hazard zones. The team started with landslide susceptibility maps from the USGS. Then they added ...

Scientists used an 8,000-year climate simulation to show how synchronized natural climate cycles may have fueled the Bronze ...

The authors concluded that pets ingest precursors rather than products. Azo dyes color textiles, plastics, and food. Gut ...