More than a million people are expected to attend "sister marches" around the world to support the Women's March on Washington, a call to defend human rights following Trump's election.
What was Earth like before humans dominated the planet? Ecologists are creating pristine spaces to find out.
A climate monitoring site in Antarctica that bears President Obama's name will provide long-term climate change data.
A half-billion-dollar project announced at the World Economic Forum in Davos aims to develop vaccines against the deadly MERS, Lassa and Nipah viruses.
The mill uses trees from nearby peatlands, increasing the risk of devastating wildfires.
More policy experts are using science fiction to spice up doom-and-gloom reports of the world's future.
NASA and NOAA officially declare 2016 the hottest year on record and a marker of global warming.
Cable network Nickelodeon initially announced a resort to open in 2020 that would feature restaurants and lounges 20 feet below sea level.
And how it's influencing their economy.