In the first study of its kind, new European research has found that higher testosterone levels in females have a significant effect on a woman's ability to run for longer. One group applied 10 mg of testosterone cream to the outer thigh each day for ten weeks, the other 10 mg of an inactive (placebo) substance. The women's hormone levels and body composition -- percentage of body fat and lean...

Tracking tiny bits of debris in space could help us avoid a potential disaster known as a Kessler...

The agency during the Trump administration has significantly downplayed the risks of climate change. And its not helping farmers prepare for...

Not only will a family of unrepentant carnivores have to let an animal they have adopted and grown to love go for slaughter if they refuse to stop eating meat -- they will be asked to cook and eat it. With experts saying that we have to eat less meat to stave off climate change, Channel 4 has made the dilemma stomach-churningly stark. Analyst Virginia Mouseler called the show "the most...

As Captain Kirk in the original "Star Trek" William Shatner went "where no man has gone before". Shatner beamed into Cannes in southern France on Tuesday to beat the drum for the series -- which tries to explain some of the mysteries of the world around us -- at MIPCOM, the world's biggest entertainment market. While it also tackles questions like why the universe is expanding, Shatner has...

For two weeks in August, a multimillion-dollar search from air, land and sea sought to solve the 80-year mystery of Amelia Earhart's disappearance.Robert Ballard, the ocean explorer famous for locating the wreck of the Titanic, led a team that discovered two hats in the depths. It found debris from an old shipwreck. It even spotted a soda can. What it did not find was a single piece of the...

New US research has found that women who experience stress during their pregnancy are more likely to give birth to a girl than a boy and have a higher risk of birth complications. The team measured 27 indicators of psychosocial, physical, and lifestyle stress that might be affecting the women using questionnaires, diaries, and daily physical assessments and found that the majority of the women,...