"Venus is a hellish place of high temperatures and crushing air pressure," scientists once said in describing conditions on the second planet from the sun, but apparently its clouds contain the right ...

The search for alien life often sparks the imagination with images of extraterrestrial beings and strange worlds. However, a new theory is shifting the focus—what if life elsewhere in the universe ...

Earth's surface teems with quartz. But on a giant world 1,300 light-years away, quartz zips through the planet's clouds. "We were thrilled!" David Grant, a scientist at the University of Bristol who ...