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El dinosaurio carnívoro gigante ‘Spinosaurus’ se alimentaba como un pelícano

El Spinosaurus, el dinosaurio carnívoro más grande conocido hasta el momento, tenía un hocico largo y estrecho parecido al de los crocodilos …

El «Carnicero de Carolina», el mayor depredador antes de los dinosaurios

Paleontólogos estadounidenses han descubierto un ancestro de los cocodrilos que probablemente fue uno de los principales depredadores de América del …

Rare Black Sea Devil Caught on Film for the First Time

The anglerfish survived capture and is now being studied in a specially equipped laboratory.<p>With its gaping mouth, needle-sharp teeth, and slightly startled expression, the black sea devil anglerfish seems tailor-made for the spotlight.<p><b>And in fact, one particular female got her close-up on November</b> …

In Search of Svalbard Sea Monsters

Changing Planet<p><b>Here be dragons!</b><p>On the remote island of Spitsbergen, deep inside the Arctic circle, the remains of some of the most fearsome sea monsters to have prowled the oceans have been entombed in rock for more than 150,000,000 years. National Geographic <b>Emerging Explorer Jørn Harald Hurum</b> and …

Se descubre un animal marino con forma de hongo que resulta inclasificable

Afortunadamente, ya aparecen algunos zoológicos donde los animales no son de verdad, a la vez que en otros países hay animales tan sagrados que hasta …

New Flying Reptile Found in "Unprecedented" Pterosaur Boneyard

Forty-seven pterosaur skeletons unearthed at Brazilian site, study says.<p>Nearly 50 skeletons of a new species of ancient flying reptile have been unearthed in southern Brazil, an "absolutely unprecedented" discovery, one expert says.<p>Varying ages of the newfound species, dubbed <i>Caiuajara dobruskii</i>, …

Is El Niño Back? Climate Scientists Forecast Its Arrival

What does that mean for global weather? The climate pattern explained.<p>The odds are in El Niño's favor. The U.S. Climate Prediction Center forecasts a greater than 50 percent chance that the climate-disrupting phenomenon could be upon us as early as this summer, with a two-in-three chance we'll be …

Geography in the News: Chernobyl’s Legacy

Changing Planet<p><i>By Neal Lineback and Mandy Lineback Gritzner,</i> <i>Geography in the NewsTM</i><p><b>Chernobyl’s legacy endures</b><p>Chernobyl is a place known around the world. The meltdown at the Chernobyl power plant in 1986 made front-page news and, until Japan’s Fukushima disaster of 2011, was considered the world’s …

Solar Chimneys Can Convert Hot Air to Energy, But Is Funding a Mirage?

Veteran balloonist is among those eyeing solar updraft towers as an alternative to traditional panels.<p><b>Chile's Atacama Desert is as eerily beautiful as it is barren, hot, and dry. Yet this seemingly inhospitable patch of Earth might be the perfect host for a different kind of solar energy, one that</b> …

Fossils Suggest Modern Sharks Are More Evolved Than Previously Thought

A 325-million-year-old fossil fish shows that evolution hasn't left sharks alone.<p>Paleontologists have long thought that sharks hit on the right combination of body shape and internal anatomy early on, and that evolutionary forces didn't tinker much with the design over the following hundreds of …

Drunken Trees: Dramatic Signs of Climate Change

As the permafrost melts in the north, forests no longer grow straight.<p>Sarah James, an Alaska Native elder, says global warming is radically changing her homeland. Even the forests no longer grow straight. Melting ground has caused trees to tilt or fall.<p>"Because permafrost melts, it causes a lot of …

Kepler Telescope Discovers Most Earth-Like Planet Yet

A nearly Earth-size planet orbits in a star's habitable zone, detected by NASA astronomers.<p>Red sunshine, seas, and maybe aliens? Scientists analyzing data from NASA's Kepler Space Telescope today report the closest thing yet to another Earth, a world in a habitable orbit around a red dwarf star …

Scientists Unravel Secrets of Monster Black Hole at Center of Milky Way

Supermassive black hole last erupted two million years ago, and will again.<p><b>For years astronomers have been puzzled as to why our Milky Way galaxy's "volcano"—a supermassive black hole (SMBH) at its core—is dormant today.</b><p>It seems the answer may simply be that we didn't catch the cosmic …

Noodle-Armed Deep-sea Squid Mystery Solved

New video shows deep-sea squid wiggle tentacle tips to attract their meals.<p><b>Many deep-sea squid actively grab their prey, sporting two muscular tentacles used to drag unsuspecting prey into their mouths.</b><p><b>But one squid species that lives down deep—the "wimp" of the proverbial playground—has limp</b> …

What’s a Pufferfish? Explaining Animal Behind Mystery Circles

<b>Mystery circles on the seafloor have intrigued divers for decades, and scientists recently identified the culprit: a new species of pufferfish.</b><p>This tiny architect—which builds elaborate nests to woo females—has also captured the hearts of our readers, with more than 60 comments and 30,000 Facebook …

Ancient Fish Downsized But Still Largest Ever

Once thought to be 90 feet long, the fish is now a more modest 26 to 55 feet.<p><b>Of all the fish to ever swim in the seas, Leedsichthys problematicus may be the record-holder for the world's largest. But as the Jurassic plankton-feeder's species name suggests, Leedsichthys is a problematic fish.</b><p>Working …

7 Demonic Creatures: Thorny Devil, Satanic Gecko, More

<b>For some diabolical-looking animals, “you look like hell” may not be so much of an insult.</b><p>From birds to beetles to snakes, nature has a lot of devilishly creepy creatures—including the recently discovered “demon” ants named for gods of the Maya underworld. Here’s a roundup of animals that would …

The Moon's Mystery: Scientists Debate How it Formed

How was our planet's satellite formed? Scientists are still searching for the answer.<p><b>It has taken centuries for scientists to settle on a creation story for our moon, the most popular of which is depicted on the July cover of National Geographic magazine. But as I learned at a recent lunch with</b> …

7 Sky Events This Week: Luna Joins Lord of the Rings and the God of War

Wildlife<p>This week the Cassini orbiter will take a special back-lit shot of Saturn, like this one taken in 2006, but this time a tiny Earth will also pose alongside the ringed-planet. Credit: NASA/JPL-Caltech/Space Science Institute<p><b>This week skywatchers get a chance to track down some of the</b> …

New Big-Nosed Horned Dinosaur Found in Utah

Nasutoceratops titusi is a distant relative of Triceratops, study says.<p><b>Paleontologists have discovered a new dinosaur, a Triceratops relative with a supersize schnoz that once roamed present-day Utah.</b><p><i>Nasutoceratops titusi</i> belonged to a group of horned dinosaurs called ceratopsids, large four-legged …

New Candidate for World's First Bird

Discovery of the feathered Aurornis stokes the debate over the first avian.<p><b>For over a century and a half, the prehistoric Archaeopteryx has been celebrated as nature's earliest bird.</b><p>The iconic Jurassic creature was covered in feathers yet retained the teeth, claws, and bony tail from its …

The Hanging Gardens of … Nineveh?

Blame it on a bad translation. This ancient wonder may not have been in Babylon.<p><b>The legendary Hanging Gardens of Babylon are exactly that: legendary. And they may not have been located in Babylon.</b><p>The gardens, famous as one of the Seven Wonders of the Ancient World, were, according to Stephanie …

New Sea Monster Found, Rewrites Evolution?

Cretaceous-era reptile Malawania anachronus discovered in Kurdistan.<p><b>A new species of dinosaur-era sea reptile is rewriting the books on the evolution of so-called sea monsters, a new study claims. (Read "When Monsters Ruled the Deep" from National Geographic magazine.)</b><p>The newfound—and potentially …