It’s bedtime. You set your alarm, notice your phone is down to 23% battery, plug it in beside the bed and go to sleep. By ...

More than 2 billion years ago, oxygen began building up in Earth’s atmosphere, changing the planet’s future. But scientists ...

A new filter developed by University of Waterloo engineers could offer an affordable way to remove microplastics from water.

Astronomers have searched a nearby system with two stars for giant planets—and found none. But the result could help guide future searches for smaller, rocky worlds, including planets that might have ...

Women may respond similarly to a new oral GLP-1 weight loss medicine whether they are years away from menopause, going ...

For patients with a stubborn lung infection, waiting more than a month to learn which bacterium is responsible can delay the next step in care. That is a particular problem with nontuberculous ...

Young people diagnosed with type 2 diabetes appear to have much higher rates of autism and ADHD than similar people without ...

Doctors treating early Alzheimer’s disease may eventually be able to learn more from a simple blood sample. A study from ...

Serious fatty liver disease is usually associated with excess weight, but it can also affect people who are not overweight.

Caffeine is used by athletes around the world to improve exercise performance. It stimulates the nervous system and can make hard exercise feel easier, but researchers have not been sure how long its ...

For many people, the hardest part of being physically active is not understanding why exercise matters. The harder problem is ...

A short recording of someone speaking may contain clues about whether they have type 2 diabetes, according to new research ...