08 March 2014, 04:13 AM ET
Baby sea turtle migration, rock snot and a rare look at deep-sea life are just a few of the favorite photos from this week.
08 March 2014, 04:03 AM ET
Whether in food or cosmetics, palm oil is everywhere — but where is it coming from?
07 March 2014, 07:50 PM ET
Thomas Cook just celebrated the proud milestone of 25 years with a donated heart.
07 March 2014, 05:13 PM ET
"Blackfish" is making ripples in California. A state lawmaker has proposed a bill that would end SeaWorld's killer whale shows.
07 March 2014, 04:44 PM ET
Obese teenagers who don't get an adequate amount of sleep are more likely to develop certain diseases.
07 March 2014, 03:56 PM ET
Antarctica may be the last place one would expect to find a mathematician, but Ken Golden isn't your average mathematician. Golden, a mathematician at the University of Utah, is using math to model the melting of the polar ice caps.
07 March 2014, 03:46 PM ET
Mathematician Ken Golden has taken multiple trips to the Antarctic and Arctic to study the math of melting sea ice.
07 March 2014, 02:53 PM ET
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?
07 March 2014, 02:11 PM ET
Fitness trackers can get dirty, sweaty or smelly, especially if you wear them on the wrist while exercising. Here's what you need to know to clean almost any fitness band, quickly and effectively.
07 March 2014, 01:58 PM ET
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.
07 March 2014, 12:48 PM ET
Coupons for fresh produce are hard to find, but there are ways to save money when buying your fruit and vegetables.
07 March 2014, 12:37 PM ET
The European Space Agency’s ATV-4 spacecraft, an unmanned supply ship, burns up over an uninhabited stretch of the Pacific Ocean on Nov. 2, 2013 in this spectacular space wallpaper captured by an astronaut on the International Space Station.
07 March 2014, 12:20 PM ET
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.
07 March 2014, 11:59 AM ET
Offering free contraception won't exactly lead to free love, it turns out. A study of women using free contraception shows they did not show an increase in risky sexual behavior over time.
07 March 2014, 11:35 AM ET
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?
07 March 2014, 11:30 AM ET
One state ranks first in both frequent exercise and vegetable consumption, according to a new Gallup-Healthways poll.
07 March 2014, 11:14 AM ET
A new Gallup-Healthways poll ranks states by the percentage of people who say they exercise three times a week for at least 30 minutes.
07 March 2014, 11:09 AM ET
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).
07 March 2014, 10:54 AM ET
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.
07 March 2014, 10:30 AM ET
It doesn’t take a tropical vacation to give you a little boost.
07 March 2014, 10:03 AM ET
Lydia the great white shark has migrated more than 19,000 miles since being tagged.
07 March 2014, 09:33 AM ET
Amazing images every day!
07 March 2014, 09:12 AM ET
Women who give birth to 10 or more children may have a reduced risk of cancer, a new study from Finland suggests.
07 March 2014, 09:02 AM ET
A new way of printing a 3D liver replica may guide surgeries, preventing complications. The new technique could also be used to guide face transplants and other complicated operations.
07 March 2014, 09:02 AM ET
A new way of printing a 3D liver replica may guide surgeries, preventing complications.
07 March 2014, 08:45 AM ET
Two new butterfly species have been discovered in the U.S. — an unusual finding made by examining DNA.
07 March 2014, 08:40 AM ET
Geoscientists are pioneering a new way to make sense of past ice ages — with volcanoes that erupted through ancient ice sheets.
07 March 2014, 08:38 AM ET
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.
07 March 2014, 01:17 AM ET
Coral snakes are small, vibrantly colored, highly poisonous snakes found in Asia and in the Americas. When threatened, they make a popping sound with their cloacas — essentially a fart.
07 March 2014, 01:13 AM ET
Aspirin is a common pain reliever. Learn how aspirin works, what "baby aspirin" is for, what aspirin's side effects are, and whether you should give aspirin to your dog.
07 March 2014, 12:53 AM ET
Next Generation Science Standards (NGSS) are a set of benchmarks for K-12 science education. The standards encourage students to develop critical thinking skills as well as scientific and mathematic literacy.
07 March 2014, 12:20 AM ET
When Ellen Tweeted her super-selfie, it triggered a huge charity response.
06 March 2014, 11:58 PM ET
Will the power plants that bring energy independence encroach on wildlife?
06 March 2014, 11:31 PM ET
Like with unleaded gas, opposition to new EPA emissions rules will fade as health benefits pile up.
06 March 2014, 11:07 PM ET
According to a new analysis, the U.S. is at risk for its own Fukushima-like disaster.
06 March 2014, 06:43 PM ET
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.