World Topics

Astronomers find seven Earth-like planets orbiting nearby star

For the first time ever, astronomers have discovered seven Earth-size planets orbiting a nearby star — and these new worlds could hold life. This cluster of planets is less than 40 light-years away in the constellation Aquarius, according to NASA and the Belgian-led research team that announced the discovery Wednesday. ...

Feb 23, 2017

First drug-resistant malaria parasite detected in Africa

For the first time in Africa, a malaria parasite has been found to be partially resistant to the top anti-malaria drug, artemisinin, researchers said Wednesday, raising concern about efforts to fight a disease that sickens hundreds of millions of people each year. The discovery ...

Feb 22, 2017

U.S. studies on testosterone treatment show mixed results

Five new U.S. clinical studies on testosterone treatments for older men showed mixed results on whether the male hormone therapy carries cardiovascular risks, according to research published on Tuesday. The U.S. Food and Drug Administration in 2015 stepped up its warning about testosterone products, ...

Feb 22, 2017

Small ponds have outsized impact on global warming: study

Tiny natural ponds pose an overlooked danger for speeding up global warming, according to a study published Monday in the journal Nature Climate Change. In experiments designed to simulate moderate future warming, scientists in Britain found that such ponds — 1 metre across — ...

Scientists find new miniature frog species in India

Feb 22, 2017

Scientists find new miniature frog species in India

Scientists have discovered four new species of miniature night frogs small enough to sit on a fingernail in a remote part of India, according to a report published on Tuesday. The researchers, who spent five years exploring the lush Western Ghats mountains, said the ...