Oldest fossils ever found reveal glimpse of Earth's earliest organisms
August 31, 2016, 6:25 p.m. by Bryan Nelson
A rock formation recently exposed in Greenland contains fossils that are 3.7 billion years old.
9 of North America's most fascinating kettle lakes
May 16, 2016, 4:02 p.m. by Sidney Stevens
These glacial gifts offer a glimpse into our prehistoric and cultural past.
Finding peace with a pack, a trail and lots of time
October 12, 2015, 11:58 a.m. by John Donovan
Thru-hiking is a way of life for substitute teacher and former marathoner Erin Saver.
New lakes discovered under Greenland's ice sheet
January 22, 2015, 10:47 a.m. by Becky Oskin, LiveScience
Monitoring these lakes will help scientists forecast how the ice sheet will respond to global warming.
How Greenland got its glaciers
January 14, 2015, 11:29 a.m. by Laura Geggel, LiveScience
3 intensive Earth forces helped make Greenland into the landscape it is today.
There's a link between your birth month and certain diseases
California is generating so much solar energy, it's paying other states to take it
More trees than there were 100 years ago? It's true!
In praise of 'scruffy hospitality'
Humpback whales around the globe are mysteriously rescuing animals from orcas
12 plants that repel unwanted insects