Synchronized fireflies gather for a 'rave' in the Great Smoky Mountains
April 23, 2019, 3:07 p.m. by Catie Leary
Every June, the Elkmont Ghost Town in Great Smoky Mountains National Park lights up with the world's largest gathering of synchronous fireflies.
How to make the most of the season's shortest days
December 19, 2018, 11:08 a.m. by Catie Leary
With the Earth's axis now tilting at 23.5 degrees, the northern hemisphere is at its farthest point from the sun and the north pole is plunged into total darkness.
Put yourself in Curiosity's shoes with 360-degree view of Mars
September 10, 2018, 11:01 a.m. by Catie Leary
NASA releases interactive panorama that gives viewers an immersive glimpse of Martian terrain.
Planet or not, you can't discount the extraordinary beauty of Pluto
September 10, 2018, 10:08 a.m. by Catie Leary
A new study brings up an old argument about that weird definition of a planet.
Uncovering the mysterious origins of the mima mounds
May 21, 2018, 2:50 p.m. by Catie Leary
Composed of loose, gravel-like sediment and averaging about 6 feet in height, the puzzling natural mounds are a surreal sight.
19 of the strangest basalt column landscapes on Earth
April 12, 2018, 2:17 p.m. by Catie Leary
Our planet has quite a knack for creating surreal natural landscapes. Case in point: Basalt rock columns.
Quokka selfies take the internet by storm (but not everyone thinks that's a good thing)
April 5, 2018, 3:38 p.m. by Catie Leary
Due to their seemingly ever-smiling demeanor, these small marsupials are the perfect selfie buddies.
1,000 rescued mutts live the life at Costa Rica's 'Land of the Strays'
March 16, 2018, 3:13 p.m. by Catie Leary
'The Land of the Strays' is a dog's paradise.
Oh, Canada! 17 national parks that give this nation reason to boast
March 1, 2018, 1:25 p.m. by Catie Leary
Here's a glance at the breathtaking variation of landscape and geography found within just a few of Canada's most amazing national parks.
10 irreplaceable World Heritage Sites that are on the brink
October 13, 2017, 11:30 a.m. by Catie Leary
These endangered World Heritage Sites, both natural and cultural, could use a helping hand in restoring and preserving their integrity.