September 2019

Crinoids: The Fossils That Inspired 'Alien'

Crinoids are commonly known as sea lilies due to their "flower-like" appearance , though they are animals, not pl…

What Percent of Earth is Water. Illustration showing all of Earth’s water, liquid fresh water, and water in lakes and riv…

Tiny inclusions in diamonds, such as this garnet, are evidence that they formed deep in the mantle. Credit: Anetta Banas/…

Sahara Desert The Sahara Desert is vast, generously dusty, and surprisingly shy about its age. New research looking in…

Peridot crystals. Photos: right: pegmatite, left: Federico Barlocher What is the chemical composition of the Earth&#…

Lapis lazuli is a blue metamorphic rock that has been used by people as a gemstone, sculpting material, and ornamental mater…

This image shows the divisions between Earth’s layers. The ancient, continent-sized rock regions encircle the liquid oute…

Scientist Discovers Unusual New Mineral Inside a Diamond A Ph.D. student at the University of Alberta has discovered a …

The lines of the Earth’s magnetic field come vertically out of the Earth at the south magnetic pole and go vertically dow…

A fossil of Yilingia spiciformis and the track it left as it moved. (Z. Chen et al. / Nature) A 550-million-year-old …

Photo: The Sun Researchers uncovered traces of a lost continent that disappeared under what is today Europe about 120…

Asteroid as Powerful as 10 Billion World War II Atomic Bombs May Have Wiped Out the Dinosaurs When the asteroid that …

Pyrite is an iron sulfide with the chemical formula FeS 2 (iron(II) disulfide). Pyrite is considered the most common of t…

A team of scientists has concluded that earth experienced a previously underestimated severe mass-extinction event, whi…

The Steamboat Geyser at Yellowstone National Park just broke a record. According to the US Geologic Survey, the world…

Global paleomagnetic plate reconstructions a. 270 Ma, b. 180 Ma, and inset the Present Tethyan Realm. Credit: ©Science Ch…