An urban spider hangs out in downtown Los Angeles.

New Research

Friendly Neighborhood Spiders Get Bigger in Cities

A study of orb-weaving spiders in Australia shows a correlation between urbanization and fatter arachnids

Scientists observed the view down the borehole via a computer at the surface as they drilled into the Antarctic ice to reach Lake Whillans.

New Research

Thousands of Microbe Species Live in This Buried Antarctic Lake

Drilling through half a mile of ice let scientists uncover the first solid evidence of life in a subglacial lake

Changila, a male elephant who was later killed by poachers near Samburu National Reserve in Kenya.

New Research

Surprise! Science Shows That Elephant Poaching Is Unsustainable

For the first time, scientists have made a comprehensive tally of illegal killing rates across Africa

Shama, a red panda at the National Zoo, died August 16.

Shama, the Red Panda, Has Died

Shama, a red panda at the National Zoo, died on Saturday

The full moon is seen near Earth's horizon from the International Space Station.

Earth Is Making the Moon All Warm and Soft on the Inside

A new model boosts the notion that a layer of rock near the moon’s core is squishy and perhaps partially melted

Seawater contains hundreds of viruses, revealed with dye in the flask on the right. Most are harmless, but some microbes living under the sea and amid the sand aren't.

Eight Diseases To Watch Out For At the Beach

Forget sharks: These potentially deadly pathogens and parasites can lurk in sand and sea

An olinguito in Tandayapa, Ecuador

One Year After Discovery, Crowdsourcing the Olinguito

A year ago, researchers discovered a rare new species. That was just the beginning

A mountain lion kitten in Malibu Creek State Park.

The Real Cougars of Malibu Have Lives Full of Murder, Bad Sex and Poison

But a simple bridge over the freeway could help save the charismatic big cats

A photo of a whale shark, taken by a visitor during a Ceviche Tour swim in Isla Mujeres.

Shark Week

Save the Sharks By Swimming With Them

Ecotourism is helping promote shark conservation around the world—while also boosting local economies.

A blue shark near the Azores islands.

Shark Week

Bizarre Blue Shark Nursery Found in the North Atlantic

Rather than emerging in protected coves, baby blue sharks spend their first years in a big patch of open ocean

An artist's rendering of Caiuajara dobruskii surrounded by its young in the ancient Brazilian desert.

New Research

New Desert-Dwelling Pterosaur Unearthed in Brazil

A massive bone bed is already yielding insights into the flying reptile’s lifestyle

An April earthquake in northern Chile left one highway with a deep crack.

Lingering Stress Hints at the Next Giant Earthquake in Chile

A section of the South American tectonic plate holds the potential for a massive quake in the near future

Two-headed smooth-hound (Mustelus)

Shark Week

A Two-Headed Shark and Other X-Rayed Beauties at the Smithsonian

Sandra Raredon’s x-rays of fish specimens are critical records for scientists studying various species. And, as works of art, they are breathtaking

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Hear How Robin Williams Woke Up the Space Shuttle Discovery Crew in 1988

The actor and comedian provided a special message for astronauts during the first flight after the Challenger disaster

A 16th-century illustration of imaginary sea monsters from Cosmographia by Sebastian Mustern, based on creatures from Carta Marina by Olaus Magnus.

Shark Week

Sharks Were Once Called Sea Dogs, And Other Little-Known Facts

Centuries-old illustrations of sharks show just how much we’ve learned about the fish since our first sightings of them

Air travel is potentially a huge contributor to an individual's carbon footprint. Are offsets a viable answer?

Can Eco-Conscious Travelers Do Anything To Fly Green?

Buying carbon offsets won’t stop global warming, but if you’re traveling, it’s your best individual option for reducing your carbon footprint

A statue in front of the Holy Cross church in Warsaw, Poland, guides viewers toward the August 2014 supermoon.

Inspiring Photos of the Biggest, Brightest Supermoon of 2014

Feast your eyes on these snapshots from around the world

A great white shark (Carcharodon carcharias) in South Africa shows its jaws.

Shark Week

The State of Sharks, 40 Years After Jaws

We could be at a tipping point for conserving the infamous predators, if we can keep up shark-friendly practices

Dogfish shark denticles viewed using a scanning electron microscope.

Shark Week

Why Are Scientists Trying To Make Fake Shark Skin?

Faux marine animal skin could make swimmers faster, keep bathrooms clean and cloak underwater robots

Google hosts its fourth-annual science fair. Shown here, the 2013 winners.

Google Thinks These 18 Teenagers Will Change the World

The global finalists of this year’s Google Science Fair take on cyberbullying countermeasures, tar sands cleanup and wearable tech

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