Some people think it is wasteful to cut down and use 30 million live trees each holiday season, but here are some benefits of fresh Christmas trees.
Celebrate the beauty of fall by adding one or more autumn wreaths to your home.
After evolving from horses some two million years ago, zebras earned their stripes. But why? A team of scientists has found part of the answer.
Here are 12 different images of black holes that powerfully demonstrate just how energetic and amazing our universe can be.
Are there any differences between crocodiles and alligators, or are they just different names for the same thing?
Behold some amazing views of the sun as you've never seen it before before - with tendrils and flares, storms and explosions.
After a decade-long journey, NASA's New Horizons spacecraft made its closest approach to Pluto on July 14, 2015. Here's one of its amazing photographs.
It’s so pretty and common, in fact, that many people don’t realize that the whole oleander plant can be dangerous.
Watching a dust storm (or haboob) blow in, you can imagine it will leave a swath of nothingness in its wake. Fortunately, it's not like that at all.
Are you ready for a pet bird? Whether you're thinking of a little parakeet, a large parrot or something in between, here are some things to consider.
Do you love to swim, but hate the smell and other problems that come from a chlorinated pool? Well, natural swimming pools might be the answer for you.
Is there actually difference between a turtle and a tortoise, or are the terms just used interchangeably? Find out here!
Sleeping animals are the sweetest things. Even the mighty lion looks peaceful when he's asleep. And seals? They snooze with smiles.
How much do animals sleep? Here's a table with 30+ different types of creatures, along with how much sleep each needs.
Our galaxy, the Milky Way, is typical: it has hundreds of billions of stars, enough gas and dust to make billions more stars, and at least ten times as much dark matter as all the stars and gas put together. An...
You may have heard that bananas are radioactive. Is it true, or just a myth?
Despite manmade paper snowflakes looking the same every year, scientists say the old saying is true: no two snowflakes are alike - if they're large enough.
Here are a few creative ways to use those autumn leaves in simple leaf crafts.
In this snowflake picture gallery, we have 50 amazing snowflake photos - each one different, each one carefully photographed through a macro lens.
Do you love to swim, but hate the smell and eye burn you get every time you jump into a chlorinated pool? A natural swimming pool might just be the answer.