November 17, 2017, 1 p.m. by Mary Jo DiLonardo
The spill comes just days before Nebraska decides on proposed Keystone XL pipeline.
'Golden wonder' salamander seen for first time since '75
November 2, 2017, 2:57 p.m. by Noel Kirkpatrick
Feared extinct, the Jackson’s climbing salamander was spotted alive in Guatemala’s Cuchumatanes Mountains.
'Breathtakingly audacious' project aims to plant 73 million trees in Amazon
November 1, 2017, 1:02 p.m. by Mary Jo DiLonardo
The project will cover nearly 70,000 acres.
How did giant boulders get placed atop this island in the Bahamas?
October 31, 2017, 7:01 p.m. by Bryan Nelson
The mystery of Eleuthera island's boulders might finally be solved, and it's an foreboding sign of what's to come.
Haunting time-lapse reveals how much of the night sky we're missing
October 31, 2017, 1:12 p.m. by Christian Cotroneo
The view from these ghost towns is scary and stunning.