About 53 million Americans live within 3 miles of a Superfund site. Here's a look at the status of 10 of the country's most prominent listings.

The imagery and placement of Leslie Fry's sculptures aim to increase awareness about the effects of human impact on the natural environment.

Looking to make this holiday really special — without breaking the bank? Consider homemade gifts. Here are 10 ways to put a special glow into Christmas.

Imagine a smartphone for the visually impaired that has the tools most sighted smartphone users have come to take for granted

Ryan Nicodemus discusses how and why he and Joshua Fields Millburn left successful careers, ditched most of their stuff, and set up shop in a Montana cabin.

Keeping discarded kitchens out of landfills is just the tip of the iceberg for this entrepreneur.

SRI, the system of rice intensification, has taken agribusiness giants by surprise with its record-breaking harvests across the globe.

BrightFarms cuts out the middle man and grows local produce at the store.

Miguel Luna is using grassroots organizing to rehabilitate the river and the communities near it through his group, Urban Semillas.

See why the science blog creator thinks there are too many scientists. (A funny thing for someone with a Ph.D. in molecular biology, don't you think?)

Vijay Brihmadesam, one of the minds behind Tava Indian Kitchen, has mastered the tasty and convenient fast-food market.

Engineering students tackle two problems with one clever project — how to transport water and purify it at the same time.

Each socially-conscious Jewish teenager receives $36,000 for further public service work or education.

In the field or in front of the camera, these amazing animal conservationists have dedicated their lives towards protecting the Earth and its creatures.

Begun in her bedroom when she was 13, this dedicated woman’s Little Nature Museum has never stopped growing and inspiring visitors.

Father-daughter team turns a common race practice into a clever opportunity to help the less fortunate.

Cristina Mittermeier discusses the modern movement of conservation photography in an interview.

Nothing says "I'm single and ready to mingle" like a dose of salty digestive fluid. For sea lampreys, anyway.

Conservationists are hoping for a Christmas (Island) miracle.

West Coast oysters can’t catch a break. A study suggests that while climate change could boost their numbers, it might unleash more invasive "oyster drills."

As climate change affects the world, invasive species are finding new, more hospitable places to call home.

See how smart growth and conservation easements play a role in preserving the land of the Hudson River Valley.

"Growing a Better America" offers lessons on how the United States can keep growing without sacrificing the environment.

The famed Hubble Space Telescope has captured a jaw-dropping view of a comet making an incredibly close flyby of Mars.

Measures taken in the current Ebola outbreak may hold some clues for how to handle samples brought back to Earth from Mars.

NASA is getting ready to launch a daring test flight of a capsule that could eventually bring humans to deep-space destinations like Mars or an asteroid.

Long a subject of speculation, our neighbor has yet to yield signs of life. But that hasn't kept people from imaging it's there.

A giant crater on Mars may have been able to support microbial life for millions of years in the ancient past.

Ancient Mars featured flowing rivers and sizable lakes — but that doesn't mean the Red Planet definitely could have supported life.

NASA's Curiosity rover has made a surprising find that could help scientists get one step closer to figuring out if Mars has ever supported life.

NASA's Curiosity rover is continuing to help scientists piece together the mystery of how Mars lost its surface water over the course of billions of years.

Intriguing features photographed by NASA's Mars rover Curiosity probably don't have a biological origin, mission team members say.

The Beagle 2 Mars lander is clearly visible in new photos from NASA's sharp-eyed Mars Reconnaissance Orbiter (MRO) in orbit around the Red Planet.

The White House budget proposal for NASA in 2016 calls for a $500 million boost over the 2015 enacted budget and would keep NASA on its path to Mars.

One hundred people are still in the running to become humanity's first Mars explorers.

A mystery is brewing on Mars: Amateur astronomers spotted enormous plumes erupting off the Red Planet's surface, leaving scientists puzzled.

Paying taxes is an inescapable reality — even in space.

Mice zapped with cosmic rays can incur brain damage, suggesting that astronauts' brains could suffer over time on deep-space missions to Mars and beyond.

To prepare for future colonies on Mars, NASA is asking for ideas on how to keep Red Planet astronauts safe that require minimal resupplies from Earth.

An innovative concept for tiny probes attached to gliders could one day allow small robots to explore intricate locales on Mars.

NASA's Mars rover Curiosity has found a new route to some interesting rocks after its original path proved too difficult to traverse.

NASA aims to launch a flight test Thursday, June 4, of an innovative "flying saucer" that could help humans land on Mars in the future.

Elon Musk says nuclear detonations on the red planet offer the quickest path to making it habitable. But what other options are there?

The Arctic island has a fair amount in common with the Red Planet, at least on its surface.

NASA Administrator Charles Bolden says the agency's current goal of getting astronauts to Mars in the 2030s is eminently achievable

Having conquered both the moon and Cupertino, Sir Norman Foster eyes the Red Planet.

Satellites, landers, rovers ... can a manned trip to the Red Planet be far behind?

Space law prevents rovers from contaminating H2O on Mars.

Want to go to space? NASA is looking to hire a few good astronauts.

The European Space Agency's ExoMars mission is a two-phase operation that will look for methane, ice and landing sites for future rovers.