The ecological niche for giant trees like Redwoods could grow by a staggering 4 million square kilometers.

That sound! Hate it or love it -- but at least we know what causes it.

We don't know exactly why.

Radiation amplifies the bone loss incurred from weightlessness.

Clouds come in all sorts of shapes and sizes. Some look cute and fluffy, others appear menacing and apocalyptic.

The mind is not the closed book we think it is.

Nepalese Sherpas use oxygen more efficiently than puny lowlanders.

How much time is the climate worth to you?

The fibers could be woven in clothes so those who have disabilities can enhance their mobility.

A photoreceptor related to odor proteins was found inside the worms -- it could lead to a new generation of...

There are as many colours as you can name. In some cultures, like Africa's Himba tribe, they can only name...

There are absolutely no subsidies which means this is the cheapest power plant in the world.

NASA's ever-resourceful Cassini probe found steep-sided canyons on Saturn's moon Titan.

Have we been living a lie all this time?

Fatigue is often what causes dark circles around the eyes, but there's more to it.

Developing countries stand to lose $177 billion each year or about half a percentage point of GDP due to delays...

Let's face it -- we haven't taken care of this planet as well as we should.

After only three nights of sleeping five hours or less, caffeine stops working.

The wild poliovirus is about to go extinct. In 2015, only 74 new cases were reported or 80 percent less...

Women who use certain sunscreens might be at risk of infertility, as scientists found 45 percent of the tested products...