Here are the biggest breakthroughs in science in the year 2016.
Three tons of pangolin scales representing 7,500 individuals seized in China.
Cheetah numbers have declined in the last century, leading scientists to put it on the "endangered species" list.
Russian plane crash feared to have no survivors.
Alaska's Bogoslof Island volcano erupts, sparking aviation alerts for safety.
Underneath the icy shelves of Antarctica are colors -- not all is white and gray in the south.
Supervolcano that wiped out Neanderthals is showing signs of reawakening in Naples, Italy.
A video shows the other side of the camera during SpaceX launch: Elon Musk, too, is the kid in all of us.
Mekong region surprises scientists with 163 new species of plants and animals.
U.S. President Barack Obama calls on obscure law to protect Atlantic and Arctic oceans.
It's official: Donald Trump is USA's 45th president.
A new theory could prove that Albert Einstein's theory of gravity is wrong, but not everyone is convinced.
