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Smart News / Smart News Science

The dark, narrow streaks were once thought to be caused by flowing water. But a new study suggests they are just rolling sand.

Mars’ Streaks of Flowing Water May Actually Be Sand

Scientists have debated for years if—and how much—water could exist on the Red Planet

"Perhaps you'd be interested if I had a sponge?"

New Research

Male Humpback Dolphins Woo Mates By Presenting Sponges as Gifts

They also use “wingmen” and occasionally sport the sponges as hats—but researchers aren’t sure just how much game they really have

Found: A Rare White Crocodile in Australia

Its name is Pearl

None

Self-Taught Rocket Scientist Will Launch From California This Weekend

Mike Hughes built his homemade rocket in an effort to “prove” the Earth is flat. He also plans to run for governor

New Research

Blue Whales Have a Secret Feeding Weapon: Ambidextrousness

Though they tend to favor their right side, blue whales can switch to ‘left-handedness’ while hunting

Cool Finds

Skeleton of a Massive Extinct Sea Cow Found on Siberian Island

Remains of the Steller’s sea cow shed light on one of the first animals that taught humans about extinction

New Research

Your Brain Swells—Then Deflates—While You Learn

Researchers hypothesize that the brain “auditions” various cells that form, but only keeps the best of the best

Watch This Year’s Hurricanes Swirl Across the Globe in New NASA Visualization

Scientists combined supercomputer simulations with satellite data tracking particles of sea salt, dust and smoke to create the mesmerizing graphic

Artist's rendering of 'Oumuamua

New Research

The First Interstellar Object Seen Buzzing by Earth Is Pretty Weird

Roughly the size of a football field, the object is roughly 10 times longer than it is wide

A worker unloads pipe from a truck during construction of the southern portion of the Keystone XL pipeline.

Keystone XL Pipeline Clears Major Obstacle for Construction

The move is the latest development in the long history of the controversial pipeline

New Research

This Rock Art May Be the Earliest Depiction of Dogs

The carvings are between 8,000 and 9,000 years old and hint that the creatures may already be heading toward domestication

Trending Today

In Attempt to Contact Intelligent Life, Group Sends Musical Signal Toward Planet GJ 273b

Though the chances are slim, the team hopes this latest transmission is just the first of many

A blue shark

Trending Today

Scientists Search for the Most Dangerous Places to Be a Shark

In a bid to stop the populations from dwindling, scientists are turning to big data

The formerly wobbly Millennium Bridge

New Research

What Makes Bridges Wobble? Your Awkward Walk

A new study asks: How many people does it takes to set a pedestrian bridge a-swaying?

Lawsuit Seeks “Personhood” for Three Connecticut Elephants

An animal advocacy group has filed a petition requesting that the elephants be removed from a traveling zoo

A Leonid meteor in 2009

Leonid Meteor Shower Will Streak Through Skies This Weekend

Expect 10 to 25 shooting stars per hour as the planet passes through the debris of comet Tempel-Tuttle

Artists impression of Ross 128 b

Cool Finds

Earth-Sized Planet Detected Just 11 Light Years Away

Orbiting the star Ross 128, our new planetary neighbor is thought to be temperate, with days up to a balmy 68 degrees Fahrenheit

New Research

Global Carbon Emissions on the Rise After Three-Year Pause

An uptick in China and U.S. coal use is expected to make 2017 the year of greatest emissions yet

Did you get that injury during the night or day? It might be telling about how long it'll take to heal.

New Research

Why Wounds Heal Faster During the Day Than at Night

A new study suggests that you should consider staying away from sharp objects at night

Researchers estimate that the cub was between one-and-a-half to two months old when it perished up to 50,000 years ago

Cool Finds

Russian Local Discovers Frozen Remains of Extinct Cave Lion Cub

The lion died up to 50,000 years ago, but was found perfectly preserved in the frosty ground

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