What do you notice about the mass of biological (living) forms and mass of technological (man-made) forms on Earth? What do you wonder? By The Learning Network A teenager and a New York Times ...

The WaterShed recently opened its Climate + Water Education Center, which focuses on life in the Boise River watershed.

The Kilo-Degree Survey (KiDS) has been observing large parts of the southern sky over a period of eight years in order to ...

and saw the shape of the Earth. It was the summer solstice, and the light of the sun shining directly overhead disappeared neatly into the darkness of the well. At exactly the same time ...

Diatomaceous earth is a type of sand that consists of fossilized algae. It is sometimes sold as a supplement and promoted as having some health benefits, but very limited research supports these ...

NASA astronauts splashed down in the Gulf on Tuesday, returning home after an unexpected 9-month stay in space.