Going green when it's your time to go

May 24, 2019, 3:22 p.m. by Christian Cotroneo

No one gets more excited about iceberg season than camera-toting Canadian Mark Gray.

May 24, 2019, 11:28 a.m. by Mary Jo DiLonardo

Hundreds of hikers battle altitude sickness and frostbite as they wait in line to summit.

May 24, 2019, 10:40 a.m. by Katherine Butler

NASA's Spitzer Space Telescope is so sensitive that it can see objects optical telescopes cannot. Here are 10 incredible images it has helped capture.

May 24, 2019, 8:26 a.m. by Mary Jo DiLonardo

Half the country's land surface is now covered with trees.

May 23, 2019, 3:06 p.m. by Mary Jo DiLonardo

From exercise and coffee to diet and pets, see how much you know about longevity.

May 23, 2019, 1:15 p.m. by Angela Nelson

International Dark-Sky Association honors places that preserve unpolluted views of the sky.

May 23, 2019, 1:05 p.m. by Ben Bolton

Millions of people turn to recovery mode even as more storms roll in.

May 23, 2019, 12:29 p.m. by Robin Shreeves

Newest guide rates the safest sunscreens, calls out bad practices.

May 23, 2019, 11:54 a.m. by Noel Kirkpatrick

Remember how we kicked our CFC habit? Someone else picked it up.

May 23, 2019, 8:14 a.m. by Mary Jo DiLonardo

'He was, I think, annoyed with me being so close.'

May 22, 2019, 12:17 p.m. by Jenn Savedge

Do you know which chemicals in your home might make your family sick?

May 22, 2019, 11:58 a.m. by Ben Bolton

A live camera from explore.org captures the bear and bird interaction.