Why do leaves have such different shapes?

September 22, 2017, 10:12 a.m. by Russell McLendon

Can you spot all of these incognito critters?

September 22, 2017, 9:12 a.m.

A one-stop guide to the fall season.

September 22, 2017, 8:58 a.m. by Christian Cotroneo

'Eating your greens' just isn't what it used to be.

September 22, 2017, 7:09 a.m. by Noel Kirkpatrick

A man calls out to a lake and gets a synchronized reply.

September 21, 2017, 3:23 p.m. by Starre Vartan

It's a bizarre request, and it often comes from strangers.

September 21, 2017, 3:04 p.m. by Noel Kirkpatrick

Barn owls' hearing never fades since they can repair their hearing cells in ways that mammals, like humans, cannot.

September 21, 2017, 12:36 p.m. by Noel Kirkpatrick

All you need to create this trippy effect is some sand and a lot of air.

September 21, 2017, 11:30 a.m. by Jenn Savedge

Kids make the best workout buddies. Here's how to tailor your exercise to their abilities.

September 21, 2017, 10:21 a.m. by Russell McLendon

Humans seem to be causing 'a radical shift in the living architecture of the planet,' researchers say.

September 21, 2017, 8:55 a.m. by Mary Jo DiLonardo

When the water evaporates, mystical colored polka-dot pools are left behind.

September 21, 2017, 7:43 a.m. by Michael d'Estries

15-foot-long mysterious canoe was found by a cyclist in the aftermath of Irma's strike on Florida.

September 20, 2017, 3:37 p.m. by Mary Jo DiLonardo

More than 230 cities and towns nationwide already have a pet sale ban of some sort.