Though confined to a wheelchair, the scientist’s mind ranged restlessly across the universe, and broke..

Researchers thought they could detect water with a seismograph, but there was no link between..

Cosmologist and colleague Martin Rees looks back at the life of Stephen Hawking – one..

There is evidence that the porous karst, formed by soluble minerals, absorbs more of the..

Its flowers, positioned at a height, draw flying insects that can carry away pollen; the..