Good news for manatees: they are no longer endangered, but government should not be complacent, as they are still threatened.
Could this be the face of a tyrannosaur equipped with a "sixth sense"?
Mice may have been following humans around for 15,000 years, new study suggests.
The Arctic is turning green as the marine plankton flourish in the thinning ice sheets of the area.
Tasmanian tigers may still be roaming around Australia; officials will start their search by April.
Primate brains may actually have increased in size - thanks to diet, not social communication skills.
There will be more deadly heat waves, particularly in "megacities," in the coming years, according to a new study.
Scientists discovered two fault zones that are connected, which referred to as "mega fault," in California.
Massive dinosaur footprint found in Australia.
Coral reefs are dying out faster than expected, scientists warn.
Satellites photographed bright blue lakes in Russia's Arctic regions that are boiling due to the presence of methane gas.