08 July 2015, 01:54 PM ET
The temperatures for June are in and five Western states saw their warmest June ever.
08 July 2015, 11:55 AM ET
One-third of Earth's largest groundwater basins are under threat because humans are draining so much water from them, according to two new studies.
07 July 2015, 07:05 AM ET
A starry vortex wins top prize in this year's Earth & Night Sky photo contest. Here's a look at the star-studded image along with other winners, including a lunar eclipse, dancing aurora and a psychedelic night sky above a Bolivian salt flat.
07 July 2015, 07:04 AM ET
Spotting dark, gooey and flammable tar on the beach — remnants from an oil spill in Southern California in May — just got a lot easier, thanks to NASA.
07 July 2015, 06:54 AM ET
A vortex of stars seems to swirl above Table Mountain in South Africa in the winning image of this year's International Earth & Sky Photo Contest. The entries draw attention to light pollution and the beauty of the night sky hovering above Earth.
06 July 2015, 05:03 PM ET
Scientists say the Arctic Sea ice extent in 2015 is likely to be among the lowest on record.
02 July 2015, 10:56 PM ET
As temperatures warm, so do runways, with troubling results.
02 July 2015, 10:27 AM ET
New photographs of deep-sea creatures could hold the key to helping predict climate change.
02 July 2015, 10:22 AM ET
See the vibrant creatures who dwell on the Arctic Ocean seafloor.
01 July 2015, 12:39 PM ET
Fireworks are a beloved tradition of the Fourth of July, but the colorful displays also bring a spike in air pollution, a new study shows.
01 July 2015, 05:43 AM ET
The discovery of helium leaking from the Earth from oil wells along a fault in Southern California reveals that the Newport-Inglewood fault is deeper and more complicated than previously believed.
30 June 2015, 11:14 PM ET
Euler's Identity is a remarkable equation that comprises the five most important mathematical constants.
30 June 2015, 02:48 PM ET
A dark, moonless sky is awash in light radiating from an aurora over Antarctica in a new image released by NASA.
29 June 2015, 02:15 PM ET
The court ruled that the EPA did not properly account for the costs of reducing toxic emissions.
29 June 2015, 08:55 AM ET
A solar-powered plane able to fly in sunshine or darkness without using any fuel took off today (June 29) on a planned 120-hour flight across the Pacific Ocean, from Nagoya, Japan, to Kalaeola, Hawaii.
29 June 2015, 07:32 AM ET
This year has a leap second, set to take place on Tuesday (June 30) at 7:59:60 p.m. EDT. The reason? Earth's rotation is slowing down, thanks to a kind of braking force caused by the gravitational tug of war between Earth, the sun and the moon.
26 June 2015, 11:25 AM ET
The continents may have first risen high above the oceans of the world about 3 billion years ago, researchers say. That's about a billion years earlier than geoscientists had suspected for the emergence of a good chunk of the continents.
26 June 2015, 09:43 AM ET
Deep in the Red Sea, beyond the reach of most scuba divers, coral reefs are putting on a glowing, colorful show, scientists have discovered.
26 June 2015, 09:40 AM ET
Coral reefs that glow in an impressive array of fluorescent colors were discovered in the Red Sea.
26 June 2015, 02:32 AM ET
From world-class wilderness to an abandoned nuke site, the Everglades holds tremendous mystery — all at threat from development.
25 June 2015, 05:35 PM ET
When large chunks of ice break off of a glacier and plop with a giant splash into the chilly water, the result can be lots of thunderous shaking.
25 June 2015, 12:28 PM ET
One by one, states are deciding sharks are more important than soup.
25 June 2015, 11:40 AM ET
Now, even the most die-hard couch potatoes can summit one of the world's most imposing rock faces, El Capitan in Yosemite National Park, using Google Street View.
25 June 2015, 09:18 AM ET
Tornadoes, fog and every type of weather in between take center stage in the new NOAA Weather in Focus photography contest.
25 June 2015, 07:30 AM ET
The first Weather in Focus photo contest by the National Oceanic and Atmospheric Administration (NOAA) has produced some stunning shots, from a massive funnel cloud to raindrops decorating the underside of a leaf.
24 June 2015, 07:49 AM ET
California's four-year-long drought is helping fuel its first major forest fire of the year, a blaze that is engulfing federal land about 80 miles (130 kilometers) east of Los Angeles.
23 June 2015, 04:39 PM ET
The climate may change for the better if nations continue to ramp up efforts.
23 June 2015, 02:58 PM ET
In a first-of-its-kind project using cameras mounted onto the fins of deep-sea sharks, researchers have made surprising discoveries about what keeps these mysterious creatures afloat.
23 June 2015, 02:46 PM ET
Researchers at the University of Hawaii and the University of Tokyo studied sharks' swimming habits using fin-mounted cameras.
23 June 2015, 10:20 AM ET
Luminous, filamentous noctilucent clouds glow over the North Pole in new NASA images.
21 June 2015, 08:41 AM ET
The desert ironwood tree, Olneya tesota, can be found growing only in the Sonoran Desert of Mexico, California and Arizona. Check out these spectacular photos of ironwoods.
21 June 2015, 12:54 AM ET
This Sunday (June 21) marks the summer solstice, the official start of summer in the Northern Hemisphere.