Rocky Mountain Gems and Minerals

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Scientists identify lifelike dinosaur fossil - CNN Video

The 110-million-year-old fossil is 18 feet long, 2,500 pounds and is in an unprecedented state of preservation.

Scientists find giant, elusive clam known as ‘the unicorn of mollusks’

For hundreds of years, biologists knew of the giant shipworm only from shell fragments and a handful of dead specimens. Those specimens, despite being preserved in museum jars, had gone to mush. Still, the shipworm's scattered remains made an outsize impression on biologists. Its three-foot-long …

Biology

887-carat emerald up for auction - CNN Style

Written by Abigail R. Esman, CNN<p>Cleopatra wore them. Elizabeth Taylor loved them. Egyptians believed they could bring eternal life. Though diamonds enjoy the reputation of being a girl's best friend, emeralds in fact are more rare -- and more valuable.<p>"Sought after for their rich color, regal …

Crusader Shipwreck, Likely From the Siege of Acre, Discovered

Researchers recently discovered a sunken ship in Israel’s Bay of Haifa. The wreck was likely helmed by Crusaders fleeing the Siege of Acre in 1291. …

Boy finds huge 7.44 carat diamond in Arkansas state park

<b>(CNN) —</b> With a name like Crater of Diamonds, visitors to the Arkansas state park have high expectations. But for 14-year-old Kalel Langford, the dream of finding a diamond came true after just 30 minutes.<p>Kalel was walking along a riverbank in the Crater of Diamonds when he saw a glimmering brown …

New horned-face dinosaur species found - CNN Video

Researchers in Mexico have uncovered a new species of horned-face dinosaur that lived 73 million years ago.

Fireball meteor makes spectacular Midwest appearance

<b>(CNN) —</b> A flaming meteor was spotted early Monday in the lower sky across the Midwest, giving a rare up-close look of the phenomenon, which was caught on video, the National Weather Service said.<p>The weather service in Chicago shared this clip on Twitter:<p>It was unclear if the meteor struck earth or …

Watch: Lava gushes into Pacific Ocean, spews hot rocks into the air

Lava from Hawaii’s Kilauea volcano streams into the Pacific Ocean, creating a rare ‘firehose’ effect.<p>The phenomenon, which was seen on January 1, occurs when molten lava hits cold seawater, causing explosions that can shoot large chunks of hot rock into the air.<p>The flow opened up when 26-acre lava …

Geology

Why do birds have beaks and not teeth? This dino may have the answer

<b>(CNN) —</b> A group of 13 dinosaurs that died in a mud pit in China has yielded an unprecedented discovery.<p>The 154 million-year-old limusaurus had tiny, sharp teeth as a hatchling that it gradually lost as it grew up, according to new research published in the journal Current Biology on Thursday.<p>The …

Oldest fossils on Earth discovered in 3.7 billion-year-old Greenland rock

<b>(CNN) —</b> Scientists have discovered in Greenland the oldest physical evidence of life on earth -- fossils that date back 3.7 billion years.<p>If confirmed, the fossils are 220 million years older than any previously found, providing tangible evidence of ancient living organisms that offer potential …

Scientists find the first fossilized dinosaur brain - but what took so long?

<b>(CNN) —</b> A little over 130 million years ago, a plant-eating dinosaur was roaming the present-day area of Sussex, England, when -- trapped by the muds of a thick swamp -- it fell backward to his death and was forgotten.<p>Until today.<p>Its brain -- almost dismissed as another shiny brown pebble along the …

Meet Savannasaurus, a new huge dinosaur species - CNN Video

About half the length of a basketball court, Savannasaurus lived 95 million years ago and is the latest dinosaur species to be found in Australia.

'Once in a lifetime find': Dinosaur tail discovered trapped in amber

<b>(CNN) —</b> The tail of a 99-million-year-old dinosaur has been found entombed in amber, an unprecedented discovery that has blown away scientists.<p>Xing Lida, a Chinese paleontologist found the specimen, the size of a dried apricot, at an amber market in northern Myanmar near the Chinese border.<p>The …

Paleontology

What Are The Most Common Minerals On Earth?

What are the most common minerals on earth? The answers is not as easy at is seems and depends if we consider the entire earth or just the part that is directly accessible to us.<p>The most common mineral in absolute is Bridgmanite, known also as Silicate-Perovskite. It´s composed of magnesium, iron …

Earth Science

Smithsonian.com | Smithsonian Magazine | Smithsonian

May 16, 2018 8:00AM<p>May 15, 2018<p>May 14, 2018

Tale of the tusks: Discovery of intact mammoth skull raises questions

<b>(CNN) —</b> A team of scientists on a California island are brushing away centuries of dirt and trying to uncover mysteries of human migration and mammoth extinction with a unique fossil discovery.<p>"This is a fantastically complete mammoth skull and in great condition," Monica Bugbee, a member of the …

T. rex skull found in Montana - CNN Video

A Tyrannosaurus rex skull was discovered in Montana and was sent to the Burke Museum in Seattle. There are only 15 known T. rex skulls in the world.

The world's largest uncut diamond goes on sale - CNN Video

"Lesedi La Rona," a 1,109-carat diamond found in Botswana, is expected to sell for $70 million at an auction on June 29, 2016.

Underwater 'lost city' is a natural phenomenon, say scientists

<b>(CNN) —</b> When divers discovered circular columns and paved floors, they thought they had found the ruins of a long-forgotten civilization on the shores of the Greek island Zakynthos.<p>But what was once thought to be an ancient underwater "lost city" is actually a naturally occurring phenomenon, …

Meteor streaks across Arizona sky

<b>(CNN) —</b> Yes, Phoenix, that was a meteor.<p>A fireball lit up the skies around Phoenix Thursday, leaving groggy residents wondering if it was a meteor, an explosion or something else.<p>NASA said a small asteroid zipped into Earth's atmosphere above Arizona at a breezy 40,000 mph. After lighting up …