On the evening of Nov. 21, upwards of 400 meteors per hour may light up the night sky.

Finding sugars in meteorites adds a new twist to theories of how life arose on Earth.

Scientists at the Chinese Academy of Sciences have discovered a monster black hole larger than thought possible.

Hoag's Object, a celestial doughnut that features a galaxy within a galaxy, is a beautiful enigma of the cosmos.

19 newly discovered dwarf galaxies are missing dark matter.

Scientists say C/2019 Q4 is a comet from another galaxy.

Scientists are studying new data from the Hubble telescope showing that planets with the density of cotton candy exist and they're called Super-Puffs.

While he was a NASA intern, Wolf Cukier discovered a planet while combing through data from the TESS satellite.

Scientists discovered the oldest known material on the Earth's surface while studying a meteorite that landed in Australia 50 years ago.

NASA continues to share stunning images from Juno's travels around Jupiter, and they put the planet in a whole new light.

What caused the planets to neatly divide into terrestrial and gas giants? Scientists believe they now have the answer.

Sometimes a street that's considered walkable isn't — especially if you aren't young and fit and have sharp eyesight.

People of every age are generating and circulating misinformation and lies, not just baby boomers.

The focus is put on the small amount of local food among the non-local.

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.

According to the Department of Agriculture, there are 5,279 farmers markets, large and small, in communities across America.

Executives keep a tight lid on the secret to successfully selling grocery staples to the masses.

Gift will help support farmers market and healthy bodega programs; Newark Mayor Cory Booker speaks at the launch event.

It's harder to eat local as the days get shorter, but it's possible. Here's how.

The local activist and artist speaks up for the wetlands in his home state.

Quick facts about the Los Angeles water situation from the Blue Planet expedition.

Quick facts about the Yuma water situation from the Blue Planet expedition.

Video: Alexandra Cousteau investigates The Hoover Dam and the draining of Lake Mead.

Alexandra Cousteau speaks with Pitt, who points out we have hit the age of limits on the Colorado.

Video: Alexandra Cousteau revisits the TVA Kingston Coal Ash Spill, which was six times larger than the Gulf oil spill.

Alexandra Cousteau revisits Scott St. Pierre in Louisiana and learns how he and others are coping with the oil spill.

Alexandra Cousteau searches for the lost creeks that now flow under Toronto roadways.

Learn the keys to making smarter choices at the grocery store.

Video: Niecy Nash and Peter Fonda share what? Their smart eco-tips.

These coasters are a cinch to customize for the animal-lovers in your life.

Ditch the plastic letters and kitschy tourist magnets for something more in touch with nature for your fridge.

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

A new analysis reveals that greenhouse gas emissions in 2010 surpassed even the worst-case scenario envisioned by scientists four years ago.

Solyndra's 2011 bankruptcy cast a shadow over the U.S. solar power sector, but ongoing growth in the past year may indicate it was only a partial eclipse.

Ever wondered what different types of caterpillars look like before they transform into butterflies? Here are 10 instagram-worthy before-and-after photos

Newman’s Own gives all of its profits to charity, like the one giving people in Ghana and India reliable access to clean water.

There's a poaching ring focused on some succulents in the genus Dudleya, which can fetch millions on the black market in East Asia.

10 tips from a horticulture specialist for keeping your warm-growing, sun-loving cacti and succulents happy and healthy this winter.

New findings show manure burns cleaner than traditional fuels, more intense hurricanes are predicted, a housing trend could cut carbon emissions and more.

Thousands of consumer products made from recycled materials confirmed radioactive.

One of the cleanest places in your home may actually be one of the dirtiest, according to a study that suggests one in five showerheads spews out bacteria.

Each year, as many as 20 million people get sick from drinking contaminated water in the U.S.

Residents of a trailer park in Wyoming are fine with drinking bottled water, but the EPA says the park's owner should be doing more testing.

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

Japanese scientists have found a special bacteria, Ideonella sakainesis, that likes to eat polyethylene terephthalate, better known as PET.

When it comes to plastic especially, it seems like a no-brainer to at least pick up some of it when you’re out in nature.

In drought areas, treated wastewater is added back to the potable water stream. It's safe, and one study says it even tastes better.

The wreck, dating back 2,000 years, is estimated to contain some 6,000 amphorae.

Ice Age humans likely lived in these strange circles made from mammoth bones.

A massive study finds that no research tool can predict the outcome of a human life.