Greek intellectuals in the ancient library of Alexandria made a profound contribution to science and several other ...

By imagining Earth at the center of a celestial sphere ... is still used by scientists to map objects in the sky. Hipparchus’s star catalog is the oldest known attempt to document the positions ...

The change was influenced by the translation of Ptolemy’s ‘Geographia’, as well as ... into a universally accessible resource of knowledge. Google Earth allows users to reorient maps with the south on ...

Earth may not have seven continents after all. From the earliest of grades, schoolchildren around the world have memorized ...

A new study published in Science Advances by researchers from the Guangzhou Institute of Geochemistry of the Chinese Academy ...

In two millennia, the perception of our planet has changed. In this video, we explore the images that marked our ...

Scientists confirm Zealandia, Earth's eighth continent, submerged almost two million square miles, with only 5% above water.

The European Space Agency’s ACES mission could ultimately pave the way for a global network of atomic clocks that make these ...

For more than two thousand years, people have mapped the stars. But a new study claims one of the world’s oldest surviving ...

It isn’t easy to figure out how the Earth was built, because it happened 4½ billion years ago, and no one was there to watch. So scientists have had to look at what the Earth looks like now and ...

The Soviet-era spacecraft meant to land on Venus a half century ago is expected to plunge uncontrolled back to Earth within hours. The Aerospace Corporation's reentry prediction map currently ...