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On the last day of the climate conference in Paris, thousands of people gathered to demonstrate for global climate justice and against climate change.

Four Things to Know About the Paris Climate Deal

The strengths and limitations of the roadmap for fighting climate change

This 1789 illustration by W.D. Cooper recreates the protest of December 16, 1773.

For the First Time in 242 Years, British Tea Will Be Dumped Into the Boston Harbor

Drink up, patriots!

Marburg virus is one of the pathogens the WHO recently identified as most dangerous.

These Are the World’s Most Dangerous Emerging Pathogens, According to WHO

You may not know their names, but health officials are concerned about the epidemic potential of these illnesses

Women in Saudi Arabia can finally cast ballots.

Tomorrow, Saudi Women Will Vote for the First Time

More than 130,000 women have registered to vote

When the crew felt they had a good chance of freeing the trapped Endurance from the sea ice of the Weddell Sea, they put the sails up. As we know, this and other attempts failed. Realizing the ship wasn't moving, Hurley went onto the ice to take this photograph. New details of sea ice have been revealed.

Restored Photos From Shackleton’s Antarctic Wreck Reveal New Details

Photos taken during Shackleton’s Antarctic expedition have been digitally restored for the first time

Test Your Smarts With the British Spy Agency's Christmas Card Puzzle

Can you solve this head-scratcher?

It took Leo Tolstoy six years to write War and Peace.

There’s a ‘War and Peace’ Marathon Going On in Russia

It will take 1,300 readers four days and 60 hours to read the book out loud

Microplastic poses a growing concern in oceans and other aquatic habitats.

Five Things to Know About Congress' Vote to Ban Microbeads

Included as exfoliators in many common soaps and cosmetics, microbeads now pollute waterways worldwide

See the Vatican Light Up With Images Warning Against Climate Change

Animals prowled across St. Peter's Basilica in a move to connect Earth's beauty with the dangers of climate change

Cities Are Letting Drivers Pay Parking Fines with Holiday Food Donations

Albany, Lexington, Boston and Tallahassee are all promoting the giving spirit

A lioness from the Marsh Pride in Masai Mara National Reserve of Kenya, the group of lions that was poisoned

Bibi the Lioness, a BBC Star, Was Found Poisoned

Bibi and another unidentified lion killed by the poison were part of a pride that filmmakers followed for years

An artist's depiction of the Akatsuki spacecraft in orbit around Venus.

Japan’s Akatsuki Spacecraft May Finally Be Orbiting Venus

The five-year wait is over (almost)

A cyclist braves Beijing's smog with a face mask last month.

Beijing Just Issued Its First “Red Alert” for Smog

Will the city's latest smog crisis spur international action on climate change?

Mount Etna's eruption on December 3, 2015 was powerful enough to produce volcanic lightning

Watch Mount Etna and Momotombo Erupt in All Their Glory

Photos and video catch the spectacular events in action

It Can Take More Than 10 Years of Work to Get a Christmas Tree Ready for Market

Helicopters can speed along the harvest, however

Geminid meteors streak across the sky behind a barn in western Iowa.

Catch a Glimpse of the Comet Catalina and the Geminid Meteor Shower

The meteor shower peaks next week as comet Catalina gets closer throughout the month

The LISA Pathfinder probe on display in September, 2015.

A Space-Based Physics Lab Could Help Scientists Study How Gravity Warps Spacetime

The LISA Pathfinder Probe could help reveal the ripples caused by black holes and supernovae

The top of Mauna Kea with Keck Observatory in the foreground

Court Revokes the Construction Permit for Contentious Hawaiian Telescope

Protestors physically blocked access to the Mauna Kea construction site for more than a year and now the project faces another roadblock

Residents evacuate their homes in Chennai during catastrophic floods.

Five Things You Should Know about the Catastrophic Flooding in Chennai

Mass evacuations, a submerged airport and questions about the city's urban planning

Hundreds of Fake Ads Protest Paris Climate Summit’s Corporate Sponsors

Artists in Paris distributed 600 posters calling out companies' hypocrisy

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