For roughly 2 billion years of Earth's early history, the atmosphere contained no oxygen, the essential ingredient required for complex life. Oxygen began building up during the period known as the ...

As winter tightens its grip across southern Manitoba, the ponds, forests and wetlands that were alive with movement just months ago appear to fall silent. The chorus of frogs fades, turtles disappear ...

We often think of exercise as something we do for our body — to lose weight, strengthen muscles, or stay fit. But what if the ...

Several years before, a wristwatch was capable of only telling the hour. Nowadays, women expect more from this little ...

The improvement is already helping marine life rebound, with more fish and other species returning to the body of water. Reiners' son made guests uneasy at party day before his parents were found dead ...

Ales Bialiatski, who shared the Nobel in 2022, described long hours of backbreaking work and stints in solitary confinement.

Exercise changes your body in complex ways. Discover what happens to your muscles, heart, and mind when you start working out consistently over time.

The body needs iron to deliver oxygen throughout the body. Iron supplements can help improve many conditions, such as anemia ...

My first visit to high altitude didn’t go well. I was at a training camp in the French Alps, and on one of our easy days my ...

If you're trying so hard and the scale still won't budge, it's not just about calories. Science explains five common reasons ...

We can replace joints, lenses, even organs—but not the brain. As neuroscience unravels the mechanisms of neurodegeneration, ...

Women gain impressive heart protection from far less exercise than men, according to aHarvard Health report drawing on ...