Gays and lesbians who come out about their sexual orientation are less stressed than those who remain in the closet, and often more relaxed than heterosexuals.
Jews of European origin are a mix of ancestries, with many hailing from tribes in the Caucasus who converted to Judaism and created an empire that lasted half a millennium.
The Milky Way contains at least 17 billion planets the size of Earth, and likely many more, according to a study out Monday that raises the chances of discovering a sister planet to ours.
Researchers have disproved a long-held theory about how some bacteria survive antibiotics and opened the door to new treatments to fight drug-resistant bugs.
The use of antidepressants during pregnancy is not linked to a higher overall risk of stillbirth and death in newborns, a study said Tuesday, confounding a long-held opposing view of such drugs.
Two centuries after the French people beheaded Louis XVI and dipped their handkerchiefs in his blood, scientists believe they have authenticated the remains of one such rag kept as a revolutionary souvenir.
China's economic boom has seen its coral reefs shrink by at least 80 percent over the past 30 years, a joint Australian study found Thursday, with researchers describing "grim" levels of damage and loss.
Biologists say the human hand is a wonder of evolution, providing dexterity that lets our species perform activities as diverse as bricklaying, writing, ice hockey and brain surgery.
Christians are the world's biggest religious group, numbering some 2.2 billion people, according to a study released Tuesday by the Pew Forum on Religion and Public Life.
The United States will likely be the "first among equals" rather than a lone superpower by 2030, in an increasingly chaotic world where China is the top economy.
Consuming large quantities of a key ingredient in beer can protect against winter sniffles and even some serious illnesses in small children, a Japanese brewery said citing a scientific study.
Bloggers, "crowdsourcing" and computer-generated articles are making contributions to the news media, but they cannot replace professional journalists in digging up important news.