A medieval poem, tree rings and ice cores have revealed new information on the history of Christianity in Iceland.
"When it comes to families, I think it's about giving them answers."
Shoreline scavengers also found a host of other dead creatures.
The practice may have played a role in facing the Incas.
The minke whale camera is part of an ongoing effort to better protect Antarctica's whale feeding areas.
The effects of climate change on forests depend on the type of tree.
Several large holes in the ground are all that remain of the structure.
Southern California's marsh habitat will be devastated even under a low sea level rise scenario.
Across the country, there was a 30- to 50-degree temperature difference on Wednesday.
A new technique compiled hundreds of thousands of images over seven years.
Nearly 7,000 earthquakes occurred between 2014 and 2016.
More women are competing in Pyeongchang than previous Winter Games, but it's still not equal.
Bitter cold and strong winds hindered some athletes this week, but temperatures are expected to creep back up.
Ten thousand years ago, farmers set this legume up for a fall.
Scientists hit the road with a high-precision clock hooked up to a trailer.
The marine life has been covered by the Larsen C Ice Shelf for up to 120,000 years.