Crinoids: The Fossils That Inspired 'Alien'. Agaricocrinus americanus , crinoïde, carbonifère, Provenance: Indiana. Crinoids ...
What Percent of Earth is Water
What Percent of Earth is Water. Illustration showing all of Earth’s water, liquid fresh water, and water in lakes and rivers. Credit: How...
Kimberlites: Enigmatic Origin of Diamond-bearing Rocks Revealed
Tiny inclusions in diamonds, such as this garnet, are evidence that they formed deep in the mantle. Credit: Anetta Banas/University of Al...
New Evidence of the Sahara's Age
Sahara Desert The Sahara Desert is vast, generously dusty, and surprisingly shy about its age. New research looking into what appears ...
Geochemists Measure New Composition of Earth's Mantle
Peridot crystals. Photos: right: pegmatite, left: Federico Barlocher What is the chemical composition of the Earth's interior? B...
Lapis Lazuli: Composition and Color
Lapis Lazuli: Composition and Color. Polished Lapis lazuli. Photo: New Moon Beginnings Lapis lazuli is a blue metamorphic rock that ...
Gigantic Masses in Earth’s Mantle Untouched for More Than 4 Billion Years
This image shows the divisions between Earth’s layers. The ancient, continent-sized rock regions encircle the liquid outer core. Anc...
Scientist Discovers Unusual New Mineral Inside a Diamond
Scientist Discovers Unusual New Mineral Inside a Diamond A Ph.D. student at the University of Alberta has discovered a new and curious ...
What Happens When Magnetic North and True North Align?
The lines of the Earth’s magnetic field come vertically out of the Earth at the south magnetic pole and go vertically down into the Earth...
Scientists Uncover 550 Million-Year-Old Fossils of Bug Trails
A fossil of Yilingia spiciformis and the track it left as it moved. (Z. Chen et al. / Nature) A 550-million-year-old worm was one of ...
There's a Lost Continent Hiding Beneath Europe
Photo: The Sun Researchers uncovered traces of a lost continent that disappeared under what is today Europe about 120 million years a...
Rocks at Asteroid Impact Site Record First Day of Dinosaur Extinction
Asteroid as Powerful as 10 Billion World War II Atomic Bombs May Have Wiped Out the Dinosaurs When the asteroid that wiped out the di...
Pyrite: Fool's Gold
Cubic Crystals of Pyrite Nestled Within a Matrix of Rhodochrosite. From Cassandra Mines,macedonia Dept, Greece Credit: Crystalclassics.c...
Researchers Unearth 'New' Mass-extinction
A team of scientists has concluded that earth experienced a previously underestimated severe mass-extinction event, which occurred abou...
Yellowstone’s Steamboat Geyser Breaks Yearly Eruption Record
The Steamboat Geyser at Yellowstone National Park just broke a record. According to the US Geologic Survey, the world’s tallest activ...
What Drives Plate Tectonics?
Global paleomagnetic plate reconstructions a. 270 Ma, b. 180 Ma, and inset the Present Tethyan Realm. Credit: ©Science China Press Pl...
Scientists Confirm The Discovery of a Mineral Never Before Seen in Nature
Inside the Wedderburn meteorite. Source: Rodney Start/Museums Victoria Mineral 'NEVER seen before in nature' is discovered in...