When four American families switched to all-organic diets for a week, the results were dramatic.

And the top 15 that are least toxic.

A mixture of leftover citrus rinds and vinegar is an easy, food-safe way to cut ants off at the pass.

Kissing bugs can carry the parasite that causes Chagas disease, and they are now making their way through the US.

For example, 72 pesticides approved for use in the United States are banned or in the process of being phased out in the EU.

Just like your pet, these big cats can't resist the lure of an open cardboard cube.

Wildlife Conservation Society is treating the purloined parrots at a specially built care facility; some 900 have been released back into the wild.

From ribs and onions to chips and corn, these barbecue-friendly foods can be unfriendly to dogs and cats.

Need help paying attention? Cue up the cute baby animals.

With news that Southwest is allowing mini horses on flights, here's what to know about these petite equine wonders.

Did you know that cheetahs sound a lot like your housecat?

Norwegian architect Tron Meyer cuts a stair out of solid engineered wood.

Which side of the bed gets the stair? Batlab solves it with two.

It does a lot more than just get you from floor to floor, in this interesting Korean courtyard house.

Perhaps lofts are not the best solution for tiny homes and apartments.

This multifunctioning stair hides a generous bookcase underneath.

A health insurer practices what it preaches.

Here is an architect who knows how to get people on their feet.

Want to get quickly into the tree canopy? This modular set of stairs can be quickly and easily wrapped around any tree, without doing damage to the trunk.

Architect Tamir Addadi squeezes a lot into a very small space

It feels much bigger than it actually is, and does not feel weird at all.

Yet another reason to skip the escalator/elevator and hoof it instead.

And when you get to the top of this, you deserve a treat.

Sweden shows how to build comfortable apartments for families, and stairs that people want to use.

Michael Janzen comes up with an interesting and elegant design. But is it safe?

Belgian architects build a tower in a barn. But my, it uses a lot of lumber.

It seems that these days you can build just about anything with a CNC machine.

Neri&Hu turn climbing the stairs into an experience for Bloomberg in Hong Kong.

A good, if not very accurate, idea.

Why go diagonally when you can go straight up?

160 tons of steel and 10 tons of copper never looked so good

And believe it or not, it's environmentally friendly!

There's more than one way to go up in a small space, and this is one smart alternative.

Because if you make it beautiful and open, people will use it.

Syte Architects insert a mezzanine and a terrific storage stair in existing loft.

Sometimes you wonder what they were thinking.

This is a big problem in old buildings: providing universal access without ruining the look of the building.

When the splendid full moon rises this weekend, she’ll look a bit bigger and brighter than usual.

These incredible images sent back by the Juno spacecraft gives us a detailed look at Jupiter.

From supermoons and blood moons to black moons and blue moons, here’s a cheat sheet to the full moon in all of her luminous guises.

Not only did he have a startlingly brilliant brain for physics, but Stephen Hawking had a pretty good knack for life as well.

This month's Full Buck blood moon will star in the longest total lunar eclipse of the century.

An astronaut-eye's view of Hurricane Florence from the International Space Station shows why everyone is kind of freaking out.

The official naming organization has approved the names to commemorate the 50th anniversary of the Apollo 8 mission.

See the view captured by the International Space Station as the category 4 hurricane makes landfall over Florida.

Scientists exploring the possibility of a moon having a moon of its own have suggested that the wee orbs be called moonmoons.

Hubble just took the most detailed image yet of the eerie and mysterious Ghost Nebula, some 550 light-years from Earth.

Spend 90 minutes in the eyes of an astronaut.

Nicknamed 'Farout' by the team that discovered it, the celestial object is some 11,160,000,000 miles away.

Our blue-green Earth might have actually been a different color, thanks to this molecule.