Rear Admiral Melville was asked to-day if this was possible, in view of the known curvature of the earth. View Full Article in Timesmachine » Advertisement ...

Scientists have explained everything that might happen to the two 'stranded' NASA astronauts' bodies when they finally return ...

From the first picture proving that Earth was indeed spherical, to the first color image clicked from the lunar surface, check out these 7 historic images of Earth captured from outer space.

There is something sublime, even heavenly, about the earthly mountain heights. Who among us doesn’t occasionally gaze on the distant snow-capped peaks? The mind may wonder just what it’s like “up ...

An curved arrow pointing right. Global warming has implications for current times, as well as the future. This is what scientists predict could happen to the Earth over the next 500 years.

The Earth is really, really old. Over 4 1/2 billion years old, in fact. How do we begin to comprehend a number that large? It helps to put it on a more fathomable scale. Watch to see where Earth's ...

Rivers on Earth carve winding paths through landscapes, shaping the terrain over time. At first glance, their meandering ...

On December 12, 1901, Marconi attempted to send the first radio signals across the Atlantic Ocean, in spite of predictions that the radio waves would be lost as the earth curved over that long ...

They travel through the Earth in curved paths, but they change direction suddenly when they pass through the boundary between substances in different states. The diagrams show what happens when P ...