As muscles age, their cells lose the ability to regenerate and heal after injury. Now, researchers have created the most comprehensive portrait to date of how that change, in mice, unfolds over time.

A theoretical study suggests that small black holes born in the early universe may have left behind hollow planetoids and microscopic tunnels, and that we should start looking within rocks and old ...

A team of astronomers has found that Venus has never been habitable, despite decades of speculation that our closest planetary neighbor was once much more like Earth than it is today.

Researchers have created the smallest walking robot yet. Its mission: to be tiny enough to interact with waves of visible light and still move independently, so that it can maneuver to specific ...

The melting of Greenland is accelerating, with an estimated loss of between 964 and 1735 gigatons of ice per year by 2100 in a scenario of high greenhouse gas emissions (SSP585), according to three ...

Researchers have analysed the effects of seven different hormone treatments for menopausal symptoms on the risk of blood clots, stroke and heart attack. The study, which involved around one million ...