Sometimes when the weather is hot, cooking isn't appealing. Luckily, these leftovers taste even better cold than they did right out of the oven.

Just because you know certain foods by a particular color doesn’t mean it’s natural.

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

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

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

KELT-9b's star-like qualities include melting iron and smashing hydrogen molecules, meaning this is not a habitable place.

A mysterious radio signal from deep space appears to be repeating every 16 days.

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

How architect Le Corbusier, a 13th-century abbey and a busload of tourists taught me some lessons.

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

Some farmers markets stand out for their size, diversity or the incredible quality of their products. You'll love these can't-miss farmers markets.

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

It's the perfect time to stimulate your local economy during the USDA's National Farmers Week.

These creative Halloween ideas don't require carving and can be used over and over again.

The U.S. energy secretary is the highest-ranking official yet to address Congress about federal aid to the bankrupt solar 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.

The third time's a charm for the resiliency-minded contender from New Jersey.

I didn't realize what a dead zone the lawn is until I lived in a meadow.

Reusing old household items can give your home a fun, rustic dimension.

Though composting is great for your garden, there are some man-made and natural items that can ruin the whole pile.

Projects in India and Myanmar and using flying tech to plant trees under the right conditions.

MIT engineers say this cheap, low-energy process can remove CO2 from the air.

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

As Norway's Lendbreen ice patch melts, an ancient highway is revealed.

As a natural-beauty product tester and writer, I've tried hundreds of products and am happy to share what works for me. Hint: Simplicity is the key.

Ever since Michael Cardenaz saved a hummingbird, the little bird keeps coming back to visit him.

Children are more likely to have autism if their mothers had the flu or a prolonged fever during the first or second trimester of pregnancy.

A fungal infection called Valley Fever is on the rise in the Southwest United States.

ABC News's Dr. Richard Besser says it's easier than ever to get vaccinated.

You know you're not the only one who has the flu, but here's how to get on the schedule when you really need to.

Wearing a surgical mask can stop you from getting the flu, provided you're very diligent about it.

New study finds that Hurricanes Katrina and Rita may be responsible for declines in children’s blood lead levels.

Snowed in? Try these activities to keep you and your kids busy on your next snow day.

Six more weeks of winter, eh? The bizarre weather outside is more like spring, with a blizzard in Denver and tornado warnings and watches elsewhere all in the s

New report says toxic chemicals are causing Americans 'grievous harm' that could be prevented by better government oversight.

The EPA decided this week to limit cancer-causing emissions from hydraulic fracturing, aka 'fracking,' but its new rules won't take effect until 2015.

Who knew we have teenagers to thank for warm ears, frozen treats and easy adding?

Doctor and adventurer Ken Kamler sees a world full of medical miracles and sacred places, and he talks to MNN about the value of staying true to one’s self.

Research by these women has changed the way we think about space — from dark matter to the search for extraterrestrial intelligence.

Speed, agility, and a new understanding of customer values are the keys to navigating the next normal.

How do I prevent mold and what do I do if I find it in my home? Vanessa Vadim explains.

An American Airlines catering cart at Chicago's O'Hare Airport goes wild.

50 years worth of data went into making this stunningly detailed moon map.

​No matter how practiced we are at managing our money, it’s never too late to learn new hacks. Try these 10 tips to revamp some of your financial habits.

Packed with protein, calcium and probiotics, yogurt is a popular dairy staple available in lots of varieties.

While cap and trade and the Gulf Oil Spill dominate headlines, congress is taking on issues ranging from Asian Carp to jobs in National Parks.

Using agricultural waste to make biochar has the potential to reduce 12% of global CO2 emissions annually.

Investors bilked out of $54 million chasing the promise of a green utopia.

Amazonian jungles reveal the secret of El Dorado's wealth -- biochar.

Scientists genetically engineer a new strain of female mosquitoes that cannot fly, hoping the handicap will curb dengue fever outbreaks.