These waterfalls, some of which changed U.S. history, are located in major cities.
Why this southern white rhino's pregnancy is a big deal
May 18, 2018, 3:38 p.m. by Mary Jo DiLonardo
This historic event could be a critical step for conservation.
Instead of a message in a bottle, these Scottish boys launched a tiny pirate ship
May 18, 2018, 12:46 p.m. by Mary Jo DiLonardo
And the brothers can't wait to see where 'Adventure' will end up.
Naturalist uses cartoons to advocate for the planet
May 18, 2018, 12:06 p.m. by Jacqueline Gulledge
Rosemary Mosco's comics will make you laugh — but her message is no laughing matter.
There's a specific time when puppies are the most irresistible to humans
May 18, 2018, 10:17 a.m. by Mary Jo DiLonardo
All dogs are adorable, but there's one age humans are drawn to them the most.
'Secret garden' of bamboo coral may be 1,000 years old
May 18, 2018, 9:21 a.m. by Noel Kirkpatrick
The dense collection of bamboo coral is thriving at a depth of 7,545 feet.
'Signing Day' recognizes high school seniors starting jobs, not college
How to tell if a tree is dead or dying
One woman met a stray dog — and changed everything for a forgotten breed
13 natural solutions for killing and deterring ants
17 surreal images of Hawaii's Kilauea volcano eruption
5 homemade lip scrub recipes