Anthropocene

Scientists Discover Sudden Melting in the Antarctic

Warmer waters are eating away at protective ice shelves, letting glaciers flow into the sea

Java sparrows are both vocalists and percussionists.

New Research

These Sparrows Sing to the Beat of Their Own Drum

Java sparrows amp up their tunes with acoustic beak taps synchronized with chirps

The last of the data from the New Horizons flyby won’t arrive until late 2016.

One Man’s Lifelong Pursuit of Pluto is About to Get Real

When the New Horizons spacecraft races by the quasi-planetary body, Alan Stern will have finally met his match

Why Do Humans Have Chins?

The most distinctive human feature might be that bony protrusion that made Jay Leno famous

Six years after the quake first struck, the city of L’Aquila is still rebuilding. The recovery is estimated to cost at least $16 billion.

The Shaky Science Behind Predicting Earthquakes

A powerful earthquake in Italy killed hundreds of people—and set in motion a legal battle and scientific debate that has kept seismologists on edge

What Makes the “Lion Whisperer” Roar?

He’s famous for getting dangerously close to his fearsome charges, but what can Kevin Richardson teach us about ethical conservation—and ourselves?

At 3.3 million years old, tools unearthed at the Lomekwi 3 excavation site in Kenya, like the one pictured above, represent the oldest known evidence of stone tools, researchers suggest.

The Oldest Stone Tools Yet Discovered Are Unearthed in Kenya

3.3 million-year-old artifacts predate the human genus

The ancestor of all living snakes, depicted on the prowl in the South American forests it likely inhabited 110 million years ago, likely possessed a pair of tiny hind limbs and hunted at night.

The Mother of All Snakes Looked Surprisingly Modern

New research indicates why the slithery beast’s body appears pretty much as it did 110 million years ago

Why Do Hyenas Laugh?

Are hyenas the most misunderstood animals in the wild? They’re intelligent, have a sophisticated social order, and their famous laugh isn’t even a laugh

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Solar System Chatter

Updates from our far-flung spacecraft

Vampire Healing: Young Blood Can Mend Old Broken Bones

It’s old blood, not old bones, that makes fracture healing difficult among the elderly

Meet the Prize-Winning Spiders From the British Tarantula Society’s Annual Competition

Now in its 30th year, the arachnid-equivalent of the Westminster Dog Show showcases the strange beauty of an eight-legged obsession

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Best Space Photos of the Week

Dark Globs, a Salty Moon and More of This Week’s Stellar Wonders

Mysterious star clusters and Europa in a can feature in our picks for this week’s best space images

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Ask Smithsonian: How Many Rings Does Saturn Have?

The age, origin and purpose of Saturn’s rings have mystified scientists since the days of Galileo

Data from satellites and sensors show the Pacific Ocean conditions in March 2015, including an increase in warm waters (shown in red). The warming has strengthened since then, prompting agencies to declare 2015 an El Niño year.

Anthropocene

El Niño Is Here, But It Can’t Help Parched California (For Now)

Three national agencies have confirmed that the natural phenomenon has arrived, but not in time to bring much-needed rains in the West

An artist's vision of a brilliant quasar at the core of a young galaxy.

Think Big

Rare Quartet of Quasars Found in the Early Universe

The quirky set of extremely bright black holes challenges theories for how the cosmos reached its current structure

Anthropocene

Is This Plan to Combat Climate Change Insane or Insanely Genius?

Harvard physicist David Keith wants to use two jets and one million tons of sulfur dioxide a year to halt global warming

A trap-jaw ant opens its massive mandibles.

New Research

Watch These Ants Hurl Themselves Out of Death Traps With Their Mouths

At least one trap-jaw ant species has coopted its exceptionally strong mandibles to escape its nemesis, the ferocious antlion

A pelican dives for dinner among an unsuspecting school of fish.

Paper Turtles and Frisky Skates Bring This Indoor Seashore to Life

A new exhibit at the National Aquarium in Baltimore takes visitors on a trip to the beach and into the dark depths of the Atlantic

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Best Space Photos of the Week

A Lopsided Supernova, Orbital Espresso and More Cosmic Wonders

An exploding star reveals its secrets and an astronaut takes a coffee break in this week’s best space pictures

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