Svante Arrhenius, a Swedish physics professor, is best known for his development of the pH scale for acids and bases. He was ...

Earth's vast oceans hold nearly all its water, but only a tiny fraction is accessible freshwater. Growing populations, ...

The world is weird, as are people and even animals. From laws about tying up your giraffe in Atlanta to a precious metal ...

World Reef Awareness Day rolls around every year on June 1 to remind us about coral reefs, some of the most vital natural ...

People love astrology and how our celestial bodies influence our lives. Here's some interesting facts about some Zodiac signs ...

With the meteorite falling into 100 feet of water and likely having magnetic properties, a space rock hunter can recover it ...

Celebrate the unusual and weirdly wonderful creatures of our oceans, this World Ocean Day. For most of us, the ocean is ...

Polar bears aren't white, strawberries aren't berries and the Earth isn't round—we'll have you rethinking everything you ...

The report released early Wednesday by the U.S. Trade Representative said Canada, Mexico, Taiwan and the United Kingdom and ...

From Kenya's Tree of Life to a Svalbard glacier, these stunning photos are taken from a new book by Yann Arthus-Bertrand, ...

The last deglaciation (between 11,000 and 20,000 years ago) was a period of dramatic natural warming on Earth. During this ...

Mercury may have gotten much of its polar ice within a single Mercurian day following a massive asteroid impact, a new study ...