Most birds were killed off following the fifth mass extinction event that destroyed most of life on Earth 66 million years ago. Fortunately, ground-dwellers survived and eventually became the ancestors of all modern birds today.
Researchers found that the killer skin fungus wiping out entire species of amphibians originated from East Asia in the 1950s. Then, with trade and other human activities, it spread further across the world and triggered an alarming global epidemic.
Monarch butterflies' population is shrinking rapidly and without any measures for them to recover, these lovely winged insects will soon disappear from the face of the Earth.
Increasing ice-free areas in Antarctica could negatively affect the plant and animal life that are unique in the continent.
It's not quite as crazy as it sounds.
"Mountain lions are more afraid of us than we are of them."
Scientists are confused and intrigued.
The latest summer shark movie "47 Meters Down" gets so many things wrong, they ought to sink it into a shark cage at the bottom of the ocean and leave it there.
Increasing urban temperatures can also contribute to the decreasing bee population.
“Why is this stupid cat attacking me?”
Even Darwin couldn't solve this problem.
A bite from Lone Star tick can trigger certain antibodies that can result to severe reactions to a sugar molecules commonly found in red meats
The Great Barrier Reef has been hit hard by global warming and one of the worst bleaching episodes in recorded history. Can it be saved?
Six North American right whales have mysteriously turned up dead within the past few weeks and now conservationists are doing everything they can to find out why.