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Silhouettes show Mesohippus primigenium, an early ancestor of the modern horse that lived 40 million years ago and was previously believed to have three toes, and the modern horse

Researchers pose revolutionary theory on horse evolution

Archaeopteryx

The eleventh Archaeopteryx “Geologically oldest fossil”

This is the left hemi-maxilla with teeth.

Scientists discover oldest known modern human fossil outside of Africa

Ocean.

Primordial oceans had oxygen 250 million years before the atmosphere

Hummelstown Fossils. A) Typical specimen reconstruction showing body mass (white) poking out of the 'spindle'-shaped cone (patterned). Note the presence of 'spikes' on the sides of the exposed body. B) Typical fossil specimen with body mass (with at least one spike) and 'spindle'-shaped cone. C) Surface of rock slab showing numerous Hummelstown fossils.

Rare 450 million year-old ‘cone-shaped’ fossil offers enigmatic glimpse into ancient...

Diamonds with garnet inclusions can form at depths down to 550 kilometres below the surface. Credit

Oxidized iron deep within Earth’s interior

Earth experienced multiple large impacts; the high-pressure and -temperature conditions caused pockets of core and mantle partitioning that persist as chemically distinct today.

Earth’s core and mantle separated in a disorderly fashion

The fossil bone tissue reveals new information about how the Australian “hypsilophodontid” dinosaurs lived

Shedding light on Australia’s polar dinosaurs

Ruapehu Volcano

Tidal cycles could help predict volcanic eruptions

Stromboli Volcano

Tiny crystals could help predict volcanic eruptions

Foraminifera, small single-celled marine organisms

New Eocene fossil data suggest climate models may underestimate future polar...

Kootenayscolex barbarensis

New 508-million-year-old bristle worm species from British Columbia’s Burgess Shale wiggles...

Several glaciers flow into the area of Young Sound where researchers have shown that heat from the Earth's interior warms up the bottom water of the fjord.

Heat loss from the Earth triggers ice sheet slide towards the...

Bacteria survive in the harsh conditions of the Andean lakes of Argentina among high concentrations of arsenic.

Arsenic and permafrost microbes help hunt for life on Mars

Panoramic of Mt Etna, Sicily

The seemingly unremarkable crystals that could help predict volcanic eruptions

The summit of the Teida volcano.

Large volcanic island flank collapses trigger catastrophic eruptions

Moon

Do moon phases produce big earthquakes?

cross section of the ooids inside Rogenstein oolite

The Pentagon built with mineralized microbes predating dinosaurs

A UAlberta researcher is the first to link the likelihood of earthquakes caused by hydraulic fracturing to the location of well pads and volume of liquid used in the process.

Fox Creek earthquakes linked to completion volume and location of hydraulic...

Rock layers in the Pongola Basin, South Africa.

World’s oldest known oxygen oasis discovered

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