Helium shortage ripples around the globe
June 3, 2019, 1:32 p.m. by Katy Rank Lev
Our stockpile of this nonrenewable resource is being squandered.
A huge lake just appeared in Death Valley
March 14, 2019, 7:03 p.m. by Bryan Nelson
It's not something you might expect from one of the driest places on Earth.
Scientists amplify mineral's CO2-storing ability
August 15, 2018, 2:32 p.m. by Noel Kirkpatrick
By speeding up magnesite's natural process, they may have opened the door for a large-scale climate change solution.
Why do rivers need riverkeepers?
May 24, 2018, 8:17 a.m. by Russell McLendon
When the government fails to protect a public resource like a river, our hopes often fall to a loose coalition of citizen conservationists.
Explorers discover massive cave system under Montreal
December 4, 2017, 5:04 p.m. by Mary Jo DiLonardo
The passages are lined with stalagmites and stalactites.
Volunteers help bring life back to Grand Canyon springs
November 13, 2017, 1:30 p.m. by Michael d'Estries
The Grand Canyon Trust is spearheading efforts to restore watering holes critical to desert species.
The world is running out of sand
November 2, 2017, 5:04 a.m. by Bryan Nelson
Sand and gravel are the most commonly extracted resources worldwide.
Everyone wants to help rebuild Columbia River Gorge (but it's not time yet)
September 14, 2017, 7:53 a.m. by Mary Jo DiLonardo
Volunteers are eager to get boots on the ground after wildfires devastated their natural treasure.
13 glittering, record-setting gems to ogle
April 5, 2017, 11:39 a.m. by Angela Nelson
From huge pink diamonds to glittering topaz to a giant pearl, these massive gemstones have fascinating histories.
'One Big Home' profiles America's obsession with supersized dwellings
March 7, 2017, 7:16 a.m. by Michael d'Estries
Carpenter Thomas Bena goes behind the scenes to explore the growing trend of 'trophy homes' and 'starter castles.'
Americans are quietly preserving 56 million acres of private land
December 20, 2016, 8:15 a.m. by Russell McLendon
U.S. landowners voluntarily protect more land (and water) than all national parks in the lower 48 states, a new census shows.
Standing Rock protesters celebrate as pipeline is halted
December 5, 2016, 12:15 p.m. by Mary Jo DiLonardo
Activists relish the victory, but many of them still aren't leaving.
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'Super mom' spotted on a Minnesota lake — with 56 ducklings in tow
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Parallel worlds exist and interact with our world, say physicists
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Coyote finds old dog toy, acts like a puppy
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Walk between the Smokies on North America's longest pedestrian suspension bridge
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9 of the world's largest dog breeds
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11 things humans do that dogs hate
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How to tell what's eating your garden plants
There are plenty of potential culprits, and there are just as many ways to stop them.
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Top 10 vegetables to grow in your garden
These nutritional powerhouses can flourish in your yard or in containers.
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Grow birdseed, don't buy it
Here are 10 flowering plants that look gorgeous and reward you with seeds.
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10 secret gardens in the middle of major cities
These hidden gardens are peaceful oases in the middle of the urban hustle and bustle.
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How to make a sun map of your garden
There are many ways to map an area's sunlight exposure. Here are a few tips to make sure your pla...
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How to fight the heat
Plant selection and design in addition to proper watering can help reduce stress on plants.
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9 ideas for creating shade
When the sun gets overbearing — and it will — you have options.
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