16 July 2015, 08:58 AM ET
Surprisingly complicated cirrus clouds are seen by a satellite and by a scientific instrument aboard the ISS, matching data to a high-flying view.
14 July 2015, 10:12 AM ET
The California drought has led to some weird side effects, from a deluge of spiders and snakes to pipes being eaten by poop.
13 July 2015, 05:01 PM ET
Even 4.67 billion miles (7.5 billion km) away from Earth, the New Horizons mission at Pluto could help scientists learn more about planet Earth.
13 July 2015, 02:57 PM ET
Warming Black Sea waters fueled an intense rainfall event in Krymsk, Russia in 2012.
13 July 2015, 02:45 PM ET
During a recent marine excursion, researchers searching for lobster larva unexpectedly discovered a geologic wonder: a 50-million-year-old cluster of extinct volcanoes submerged in the water off eastern Australia.
11 July 2015, 08:11 AM ET
At the edge of Earth's magnetic field, oceanlike waves appear, and scientists think they may be responsible for the "space weather" that causes auroras and disrupts communications.
10 July 2015, 03:22 PM ET
Pollution and dust is shrinking the monsoon season, threatening the crops that feed millions.
10 July 2015, 07:20 AM ET
When dolphins dive deep, they avoid succumbing to decompression sickness, or "the bends," likely because the sea creatures have collapsible lungs and can inhale and exhale two to three times quicker than humans.
09 July 2015, 02:01 PM ET
Bumblebees are disappearing from their more southern locations, but are not expanding northward.
09 July 2015, 11:09 AM ET
Climate change is making more southerly locales too hot for bumblebees to survive, but they are not spreading north as the climate warms. That could spell trouble for many crops, which require the pollinators to produce fruits and veggies.
09 July 2015, 06:53 AM ET
Researchers from across the globe recently teamed up to accomplish what might seem like an impossible (and scary) task: counting as many of the ocean's sharks as possible.
08 July 2015, 06:40 PM ET
A towering icon of Yosemite National Park just got a face-lift, as a huge slab of rock recently peeled off Half Dome, possibly changing the route up to the top for climbers.
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.