25 June 2014, 09:34 AM ET
Six rare kittens were recently born at a Scottish zoo, and hidden cameras caught the creatures' first steps outside their nest box.
24 June 2014, 11:17 PM ET
A new report by the Risky Business Project quantifies the impacts of climate change on the U.S. economy.
24 June 2014, 09:18 PM ET
Matter is the “stuff” of the universe. There are five known phases, or states, of matter: solids, liquids, gases, plasma and Bose-Einstein condensates.
24 June 2014, 04:07 PM ET
The way snow dances around wind turbines is shedding light on mysteries of how air turbulence behaves, a new study reveals. The research could help improve the efficiency and reliability of wind turbines, scientists say.
24 June 2014, 02:25 PM ET
A new image of the San Quintín glacier of Chile shows less ice than in previous years. Like many glaciers in the Andes, this river of ice is retreating rapidly.
24 June 2014, 01:18 PM ET
School hallways provided scant protection during the 2013 EF5 tornado in Moore, Oklahoma. Now, state and school officials are trying to make schools safer places to be during extreme weather.
24 June 2014, 01:50 AM ET
We wait in anticipation of droughts and floods when El Niño and La Niña are forecast but what are these climatic events?
23 June 2014, 07:32 PM ET
Mysterious stone spheres in Costa Rica and white chalk cliffs in Denmark are among the newest World Heritage Sites designated by UNESCO. The sites are chosen for their universal value and natural and historical importance.
23 June 2014, 07:23 PM ET
The World Heritage Committee announced new sites on June 23, 2014, including one full of mysterious stone spheres, remnants of a medieval Eurasian city, a wildlife sanctuary and a site holding evidence of the space rock that doomed the dinosaurs.
23 June 2014, 06:15 PM ET
A strong magnitude-8.0 earthquake struck Alaska's Aleutian Islands this afternoon (June 23).
23 June 2014, 02:36 PM ET
An aggressive type of trap-jaw ant with a mighty bite is gaining ground in the U.S. southeast, new research finds. The species, Odontomachus haematodus, is native to South America, but it seems to have spread recently along the Gulf Coast unnoticed.
23 June 2014, 02:35 PM ET
May was the warmest month ever measured on Earth since the 1880s, when cowboys battled in Wild West shootouts and the State of Liberty was built.
23 June 2014, 12:59 PM ET
City lights, the aurora, the moon and a beautiful blue glow from the atmosphere create a gorgeous show in a new astronaut photograph of Russia.
23 June 2014, 11:18 AM ET
Borneo's big muddy rivers, warm shaggy jungles, monsoonal rains, time and isolation have all made it evolution's wonderland. Take a tour of one of the richest places on Earth.
23 June 2014, 09:11 AM ET
The large mima mounds in Washington are most often thought to be the work of pocket gophers, but these animals may, in fact, be innocent. Now scientists have a new explanation for the mysterious vegetation-topped mounds.
23 June 2014, 08:49 AM ET
These evenly spaced clumps of vegetation-topped mounds dot the landscapes of every continent except Antarctica. Scientists have long puzzled over what forms the mounds, pointing to everything from termites and gophers to vegetation patterning.
22 June 2014, 01:00 PM ET
Frightful floods, freezes and heat waves favor certain parts of the Northern Hemisphere, thanks to strong atmospheric currents that repeatedly steer extreme weather to the same places, a new study finds.
21 June 2014, 09:02 AM ET
The night sky never looked so inviting. From light rays framing the Big Dipper above the Alps to the eerily stunning aurora hovering atop Norway, the winners of a dark skies photo contest delight with their upward gazes.
20 June 2014, 07:08 PM ET
Stunning images of the night sky from around the world show everything from swirling green auroras and star trails to the bulging Milky Way galaxy and the Big Dipper constellation.
20 June 2014, 05:43 PM ET
The summer solstice will occur Saturday (June 21), marking the official start of summer.
20 June 2014, 04:50 PM ET
Good news for great whites: The sharks are on the rise off both the east and west coasts of the United States, two new studies show.
20 June 2014, 11:44 AM ET
The menacing trail of a landslide that killed three people in western Colorado last month can be seen from space.
19 June 2014, 02:27 PM ET
Explosives were detonated at the top of a mountain in northern Chile today (June 19) to begin clearing the way for the biggest optical telescope in the world.
19 June 2014, 01:10 PM ET
A bizarre June snowstorm hit Glacier National Park in Montana and parts of Utah and Idaho this week, leaving many residents and visitors in the northern Rockies wondering what season it is.
19 June 2014, 10:52 AM ET
A surprise snow storm struck Glacier National Park on June 17, just days before the summer solstice.
19 June 2014, 10:50 AM ET
A regional look at how summer temperatures have been steadily rising across the U.S. since 1970.
19 June 2014, 08:13 AM ET
A mountain in northern Chile's remote Atacama Desert is about to get its top blown off to make way for the biggest optical telescope in the world.
19 June 2014, 07:46 AM ET
A major oil and gas company has pledged to stop plumbing for oil in Virunga National Park in the Democratic Republic of the Congo, after the World Wildlife Fund (WWF) and United States authorities pressured the firm to halt operations in the region.
19 June 2014, 07:21 AM ET
An explosion will blast off the top of the top of the TK-foot-high (3,000 meters) Cerro Armazones, which will be home to the European Extremely Large Telescope (E-ELT), on June 19, 2014.
19 June 2014, 01:42 AM ET
New research published today shows that these microplastics are also home to marine life, some of which could be helping to clean up the oceans.
18 June 2014, 11:21 PM ET
Solving the global warming crisis doesn't require countless policy approaches — three should do.
18 June 2014, 05:00 PM ET
A surprising number of spiders quite literally fish for their meals. In fact, a new scientific review found that fish-eating spiders live on every continent except Antarctica.