When people take to the streets, public officials take notice — especially when it happens in their district.
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.
The remains of at least 123 people have been excavated so far near the site that lies near the Nile River.
A climate monitoring site in Antarctica that bears President Obama's name will provide long-term climate change data.
Archaeologists claim to have found the site of the lost kingdom of Rheged, the most elusive of all the sixth century kingdoms of Dark Age Britain.
The mill uses trees from nearby peatlands, increasing the risk of devastating wildfires.
The famous frozen mummy apparently ate a slice or two of dried goat meat before he was killed more than 5,000 years ago.