We chat with astrotourism specialist Valerie Stimac, and author of 'Dark Skies,' about the best places to gaze into the beauty of the heavens.

Researchers have found a rocky planet, GJ 1252 b, that's just 66.5 light-years away and it's zipping around a red dwarf star.

From a wolf moon eclipse to multiple SpaceX Starlink launches, here's what not to miss in the January 2020 night sky.

A new high-resolution image reveals the center of our galaxy as never seen before.

Astrophotographer Andrew McCarthy created this gorgeous color composite picture of the moon from more than 100,000 photographs.

NASA's latest red planet rover look for signs of ancient life as it paves the way for human exploration.

A cosmic collision between two stars caused a stunning gas rainbow reaction.

NASA astronaut Christina Koch returned to Earth after spending 328 days in space.

To find life on Mars, we may have to send probes and people into this hole.

Everyone spends all their time in open kitchens. Here's why they should get out of there.

A 2012 study of homes in L.A. shows just how menacing stuff can be: "Many find their accumulated possessions exhausting to contemplate, organize, and clean."

So what if millennials killed mayonnaise and golf. Baby boomers killed the stuff that really matters — like the climate.

A look at the demographics shows there will be a lot of baby boomers around when climate change kicks in.

We've got about a decade to fix our communities to cope with 70 million aging baby boomers. ​

Older people are watching more television than ever — about 4.5 hours a day — and more than any other group.

In an effort to save money and labor, a farm in Germany has begun selling fresh, local produce from vending machines.

Bob's Red Mill, an internationally renowned natural foods flouring mill and market, is now completely owned by its 209 proud employees.

150 years after outdoor markets fell out of favor with the public at the location, an outdoor farmers market is resurrected at the Philadelphia landmark.

New local foods website brings all of Philadelphia’s many choices together.

The initiative’s sponsors are looking at Vermont’s local food program as a model.

Don't miss out on the many lovely things available this spring at local farmers markets!

As seasonal farmers market begin to open, make sure you take what you need to be waste-free at the farmers market.

Soaring prices have made walnuts, almonds and other nuts a tempting target.

Learn about the Sustainable South Bronx and green jobs training.

Chuck talks trees, carbon audits and clean air with baseball legend Ryan Klesko on his tree farm.

Video: Danielle shows you how to celebrate Valentine's Day in an organic way.

Who know you could build a functional car or virtual reality goggles from cardboard?

Before interviewing Energy Secretary Steven Chu, <i>The Daily Show</i> host Jon Stewart fell asleep talking about the Markey-Waxman energy bill.

In his commencement speech at Washington University, Energy Secretary Chu encouraged graduates to "Do something that matters. Help save the world."

Administration stimulus spending has jump-started an unstoppable EV revolution, says President Obama. Because of the Recovery Act, the cars will plummet in cost

Like nowhere else, early-adopter state California is subsidizing electric cars and the chargers they'll need to plug into. It's one more reason to move to the G

Sixteen teams from colleges across the country spent three years building hybrids, plug-in hybrids and even hydrogen cars. This week in Washington, they met in

In a rare move, Republicans on a House panel vote to subpoena White House documents related to the failed solar power company.

The Berkeley-trained, Nobel-winning physicist is planning a return to academia as well as California, but says he'll stay on at the DOE for a few more weeks.

In his first week on the job, new U.S. Energy Secretary Ernest Moniz makes it clear he sees 'no ambiguity' about the scientific consensus on global warming.

6-year-old Jermaine Bell cashes in his Disney World Fund to buy hot dogs and water for hurricane evacuees.

A hybrid that would be cold-hardy and suitable for outdoor planting may be available for home landscapes in a few years.

You can help save amphibians in your neighborhood by creating an appealing backyard oasis for them.

Newman’s Own gives all of its profits to charity, like a therapeutic residential facility that supports 250 students and 200 animals.

A soil scientist shares fun facts you never knew about soils, like how billions of organisms live in them and how many thousands of types there are.

Guest blogger Scott Badenoch tackles 'Obama's failure on mountaintop removal.'

A new study suggests there should be official rules on how often doctors clean these essential tools.

Dozens of sunken ships off U.S. coasts, such as the Jacob Luckenbach and USS Arizona, are leaking oil or could in the future.

Before you haul away that busted appliance, here are some creative ways to re-purpose it.

TerraCycle's 'Make Garbage Great' says yes, with 100-plus recycling tips and DIY projects.

North Carolina State University's new pizza box composting project raises the bar for college recycling programs.

Onward Bag is landfill-skirting design at its most ingenious.

Bonnaroo's food waste program gets food to those who need it most and composts the rest.

Popular online shopping holiday produces billions of dollars in sales — and billions of boxes in the trash.

Amazon Give Back Box program makes donations easy, and you get a tax write-off as a bonus.