30 August 2015, 08:42 AM ET
Common mullein, Verbascum thapsus, is a perennial herb that was first introduced into the United States in the mid-1700s. Check out these photos of a fascinating plant.
29 August 2015, 11:41 AM ET
Though meteorologists knew Hurricane Katrina would slam New Orleans with levee-toppling intensity, today's weather forecasters are even better equipped to give notice of a storm's coming havoc.
28 August 2015, 10:00 PM ET
The Galápagos are more than a life raft in Pacific currents — they actually alter the Pacific currents, and in so doing, help feed the islands' residents.
28 August 2015, 03:38 PM ET
Louisiana's dramatically enlarged lakes and inundated marshes — stark reminders of Hurricane Katrina’s ferocity 10 years ago — are prominent in a new satellite image.
28 August 2015, 02:09 PM ET
Catastrophic volcanic eruptions about 250 million years ago spewed enough lava to cover Australia, triggering Earth's worst mass extinction, in which 90 percent of sea creatures were wiped off the face of the planet, scientists say.
28 August 2015, 12:34 PM ET
It has long been a mystery why some earthquakes strike towns in seemingly earthquake-proof regions, but researchers now have a potential explanation for why temblors sometimes rattle where they're not expected.
28 August 2015, 08:02 AM ET
Dreamy swirls and loops seen on satellite represent a cyanobacteria bloom in the Baltic Sea.
27 August 2015, 06:03 PM ET
New images have captured the eruption and ash plumes coming from a towering volcano that looms over Quito, Ecuador.
27 August 2015, 12:47 PM ET
Thousands died and millions were left homeless in the most destructive storm to hit the United States.
26 August 2015, 04:02 PM ET
Sea level rise is occurring right now, but the magnitude and speed of the rise in the future is still a big unknown.
26 August 2015, 12:36 PM ET
Global ocean levels have risen about 6 cm (2.3 in) over the past two decades, matching models consistent with human-induced climate change. NASA monitors sea heights and other parameters with the Jason satellite series.
26 August 2015, 08:46 AM ET
Diamonds can form with the help of ancient saltwater, say researchers who have identified the gems from oceanic crust dating back as far as 200 million years ago.
25 August 2015, 01:58 PM ET
Like a giant jellyfish floating through the atmosphere, red sprites hover above thunderstorms in two new photographs snapped from space by astronauts aboard the International Space Station.
24 August 2015, 04:46 PM ET
The ancient lunar surface once erupted with geysers of lava — and now, scientists think they know what caused these fiery fountains.
24 August 2015, 04:26 PM ET
Two scientific papers inspired a media firestorm shortly after Katrina, polarizing popular opinion and, to some extent, scientists themselves, on whether global warming was in some way responsible for Katrina.
24 August 2015, 02:52 PM ET
Solar explosions can threaten power grids even in areas near the equator, places long thought safe from such disruptions from the sun, say researchers who studied a weird flow of electricity pulsing above the equatorial regions.
24 August 2015, 11:31 AM ET
27 ‘named storms’ formed over the warm waters of the Atlantic Ocean in 2005, which spawned the most category 5 storms in a single season. NASA and NOAA tracked the paths of these killers. [On average there are only 10 storms per year.]
24 August 2015, 09:56 AM ET
Data from the GOES-5 satellite drove this simulation, illuminating the wind intensities and water vapor transport powering the massive category 5 storm, which ravaged New Orleans, Louisiana and adjoining areas in 2005.
23 August 2015, 10:38 AM ET
In celebration of its 99th birthday, the U.S. National Park Service (NPS) is providing free admission to all of its sites for one day next week.
21 August 2015, 04:03 PM ET
Oil companies plan to extract billions of barrels of crude oil from beneath Alaskan lands and Arctic seas that are at risk for environmental damage.
21 August 2015, 03:23 PM ET
The corpse flower is a pungent plant that blooms rarely and only for a short time. While it is in bloom, the flower emits a strong odor similar to rotting meat or, aptly, a decaying corpse.
21 August 2015, 12:35 PM ET
To adjust to the incredibly parched conditions in the Golden State, Californians are pumping groundwater and causing the ground to sink even faster than expected.
21 August 2015, 12:03 PM ET
A so-called fire rainbow filled the sky with a haze of colors over Charleston, South Carolina, on Sunday (Aug. 16) in a recent photo posted to Twitter by Tiffany B. Jenks.
20 August 2015, 01:18 PM ET
The Atlantic just got its first hurricane of the season. According to the latest update from National Hurricane Center, Danny passed the hurricane test with wind speeds in excess of 75 mph and a developed eye.
20 August 2015, 12:45 PM ET
Graffiti in an ancient cave in China reveals a history of droughts in the region, and may portend climate troubles, new research suggests.
20 August 2015, 11:46 AM ET
A frozen observatory has spotted ghostly, nearly massless particles coming from inside our galaxy and points beyond the Milky Way. Finding these cosmic neutrinos also sheds light on the origins of cosmic rays, the researchers said.
20 August 2015, 10:11 AM ET
A rare bloom from a huge tropical plant has crowds in Denver waiting in line for hours.
20 August 2015, 10:02 AM ET
A towering corpse flower, or titan arum, is blooming in Denver. The teenage plant is a novice, as this is its first time opening up a flower bud, and generating the stinky rotting-flesh smell that attracts not only flies but also humans with cameras.
20 August 2015, 09:13 AM ET
Years of unrelenting drought are straining a large reservoir of water between Nevada and Arizona, new satellite images reveal.
19 August 2015, 12:35 PM ET
The first-ever bloom of a stinky "corpse flower" in the Rocky Mountain region is happening here today (Aug. 19).
19 August 2015, 11:46 AM ET
A giant "corpse flower" is blooming at the Denver Botanic Gardens, in Colorado.
19 August 2015, 07:27 AM ET
Marijuana is burning in California, but nobody feels buzzed about it.
18 August 2015, 03:49 PM ET
A river in Myanmar appears swollen with monsoon rain in a new photo taken from space.
18 August 2015, 11:49 AM ET
Fossils of one of the oldest flowering plants on Earth date back to the early Cretaceous period, approximately 125 million to 130 million years ago.
18 August 2015, 07:17 AM ET
Using giant vats of organic liquid buried under a mountain in Italy, scientists have shed new light on the origins of ghostly particles known as neutrinos generated by the Earth. The finding may reveal how radioactive elements affect Earth's interior heat
17 August 2015, 06:58 PM ET
For many parts of California, an end to the cycle of drought may just be wishful thinking.