Rare Sight: Hubble Telescope Sees Asteroid Falling Apart (Video, Photos)

Astronomers have seen comets break apart as they near the sun, but they'd never witnessed anything similar in an asteroid in the main belt — until now. Hubble images show that the asteroid, known as P/2013 R3, has fragmented into 10 pieces.

The 25-foot-wide (8 meters) asteroid 2014 EC came within 38,300 miles (61,600 kilometers) of our planet at 4:21 p.m. ET today, NASA officials said. For comparison, the moon orbits Earth at an average distance of 239,000 miles (385,000 km).

A far-flung NASA space probe flying around Saturn zipped past the ringed planet's biggest moon for the 100th time. The Cassini spacecraft made its closest approach to the hazy moon Titan on Thursday.

'Blackfish'-Inspired Bill Would Ban SeaWorld Orca Shows in California

"Blackfish" is making ripples in California. A state lawmaker has proposed a bill that would end SeaWorld's killer whale shows.

Lydia the great white shark has migrated more than 19,000 miles since being tagged.

Two new butterfly species have been discovered in the U.S. — an unusual finding made by examining DNA.

For 25 Years, Another's Heart has Beat in His Chest

Thomas Cook just celebrated the proud milestone of 25 years with a donated heart.

Obese teenagers who don't get an adequate amount of sleep are more likely to develop certain diseases.

If you buy a smart pedometer or fitness tracker like a Fitbit, chances are it will encourage you to take 10,000 steps a day. But do you really have to walk this much to be healthy?

Momentum Builds for Deforestation-Free Palm Oil (Op-Ed)

Whether in food or cosmetics, palm oil is everywhere — but where is it coming from?

Mathematician Ken Golden has taken multiple trips to the Antarctic and Arctic to study the math of melting sea ice.

A new study confirms that one of Oklahoma's biggest man-made earthquakes, caused by fracking-linked wastewater injection, triggered an earthquake cascade that led to the damaging magnitude-5.7 Prague quake on Nov. 6, 2011.

EPA's New Car Emissions Standards Will Clear the Air (Op-Ed)

Like with unleaded gas, opposition to new EPA emissions rules will fade as health benefits pile up.

The U.S. Navy's newest aircraft carrier — a massive warship outfitted with the latest radar technology and sophisticated systems to accommodate unmanned, carrier-launched drones — is set to undergo more than two years of rigorous testing.

The South by Southwest Interactive festival kicks off Friday (March 7) in Austin, Texas, and Live Science will be onsite with the latest news on wearable technologies, the digital future, robots and more.

4 Unlikely Places to Find a Job

Are you only searching job boards and LinkedIn to find employment opportunities? Check out some of these unlikely resources to enhance your search and land a job.

Women are getting a raw deal at work, and it's not their imagination. New research finds that women face more hurdles and have fewer opportunities at work then men.

It doesn’t take a tropical vacation to give you a little boost.

In the same century that Michelangelo painted the Sistine Chapel and Shakespeare wrote "Richard III," German artillery experts were trying to master the art of strapping bombs to cats.

A sprawling city in the heartland of the United States was a cultural melting pot hundreds of years before Europeans ever set foot on the continent.

Daylight Saving Time: Why Do We Adjust Clocks in March?

On Sunday, most Americans will lose a precious hour of their weekend to daylight saving time. Except for those who live in Arizona and Hawaii, adjusting clocks twice a year is a time-honored ritual, but why do we bother to "fall back" and "spring forward?

As the human population continues to inch closer to 8 billion people, feeding all those hungry mouths will become increasingly difficult. A growing number of experts believe that we'll soon have no choice but to start eating insects.

A toy ball bounces on water because of its soft, elastic properties. The findings might have military implications.

Crazy Toy Ball Bounces on Water | Video

The elasticity of a toy ball, the Waboba, allows it to bounce on water, but not on land. Brigham Young University physicist Tadd Truscott is investigating the physics of this phenomenon in a U.S. Navy-funded research program.

The first expedition to the deep New Hebrides trench in the Pacific Ocean discovered cusk eels and prawns more than 23,000 feet (7,000 meters) below the surface.

Researchers have created a sensor-embedded, replica of the heart's outer wall that could be used to treat and monitor heart rhythm disorders such as atrial fibrillation.

Gallery: A Mathematician Goes to Antarctica

Mathematician Ken Golden has taken multiple trips to the Antarctic and Arctic to study the math of melting sea ice.

A new way of printing a 3D liver replica may guide surgeries, preventing complications.

Researchers are studying how lava changes when it flows on ice. The different patterns can be used to hunt for now-disappeared glaciers from past ice ages.

Nutrition Facts Label: Proposed FDA Changes (Infographic)

The U.S. Food and Drug Administration wants to update the labeling on food packages to reflect the latest thinking on diet and nutrition.

Chart shows average high and low temperatures of Olympics sites since 1924.

Relative number of calories expended during 10 minutes of various Olympic activities.

7 Insects You'll Be Eating in the Future

As the human population continues to inch closer to 8 billion people, feeding all those hungry mouths will become increasingly difficult. A growing number of experts believe that we'll soon have no choice but to start eating insects.

Poop can say a lot about a person's health. Here are 5 things to look for.

From life on Mars to an ancient murder mystery, we have some of the most interesting stories in Science for you this week.