Divers reveal more secrets about the world's longest underwater cave in Yucatan Peninsula
February 22, 2018, 1:39 p.m. by Mary Jo DiLonardo
Hundreds of archaeological sites exist in this underwater realm.
Rare flooding leaves jungle trail submerged in crystalline water
February 22, 2018, 9:43 a.m. by Michael d'Estries
Video offers a short, but remarkable dive through a surreal underwater landscape.
Ecosystem hidden for thousands of years found underneath calved iceberg
February 15, 2018, 4:30 p.m. by Bryan Nelson
Biologists are scrambling to study these unseen waters and the life forms they may contain.
How I accidentally made a viral video on a frozen lake in Maine — and had a blast doing it
February 5, 2018, 3:01 p.m. by Shea Gunther
It all started when Mother Nature created a perfect day for a skate.
Mystery about life's building blocks solved by quantum study
February 4, 2018, 2:52 p.m. by Bryan Nelson
Quantum theory offers an answer to one of the oldest and most fundamental questions in biochemistry.
Norway's melting ice is revealing priceless ancient artifacts
January 27, 2018, 2:38 p.m. by Michael d'Estries
Items thousands of years old have been discovered in the wake of receding mountain ice.
The first dark sky reserve in the U.S. is a stargazer's paradise
December 29, 2017, 2:23 p.m. by Michael d'Estries
Located in Idaho's Sawtooth Mountains, it's the third largest reserve in the world.
One woman met a stray dog — and changed everything for a forgotten breed
'Signing Day' recognizes high school seniors starting jobs, not college
13 natural solutions for killing and deterring ants
12 plants that repel unwanted insects
Record-breaking 'monster wave' detected in Southern Ocean
10 countries where royalty still rules