Explore the urban canopies of major cities with Treepedia
January 6, 2017, 3:19 p.m. by Matt Hickman
The MIT project ranks Vancouver as having the most tree-dense cityscape.
Massive chunk of Antarctic ice shelf poised to break away
January 6, 2017, 9:52 a.m. by Mary Jo DiLonardo
The rift is expected to create an iceberg the size of Delaware.
The once hopelessly polluted Anacostia River is making a comeback
January 3, 2017, 7:34 a.m. by Jaymi Heimbuch
Krista Schlyer is photographing the people, wildlife and landscapes of America's 'forgotten' river.
Massive river of molten iron found flowing in Earth's core
December 27, 2016, 6:58 p.m. by Bryan Nelson
Scientists don't know why it's speeding up.
Italy's deadly supervolcano is readying itself for another eruption
December 27, 2016, 10:52 a.m. by Jaymi Heimbuch
Campi Flegrei — which translates to 'the burning fields' — has had 2 major, catastrophic eruptions in its history. Now, it's showing signs of reawakening.