Evolution doesn't stop for any creature-not even humans. Now, scientists have found that humans have evolved to be smarter and taller than their predecessors.
Ocean acidification may take a huge toll on shellfish hatcheries.
A newly-discovered lizard may have walked on water. Scientists have uncovered a 48-million-year-old fossil of a "Jesus lizard" that may shed some light on how climate change may impact tropical species.
Scientists may have discovered how saber-toothed tigers first developed their massive teeth.
Flatworms have some bizarre mating habits and now, researchers have taken a closer look. They've found that the flatworm, Macrostomum mystrix, injects its sperm into its own head in order to reproduce.
Europeans may have unknowingly helped the spread of an invasive plant species in the United States. Researchers have found that human-caused factors are far more important to the spread of an invasive species than the traits that the species may possess.
How do we know how severe a forest fire is going to be? Scientists have discovered that forest composition, ground cover and topography are the best predictors of forest fire severity in the Western U.S
It turns out that the mass extinction event that killed off the dinosaurs may have made the way for fish.
Stringing together meaningless sounds in order to create meaningful ones was once thought to be a human trait alone. Now, scientists have discovered that a species of bird, babbler birds, can also communicate this way.
The Fourth of July may not just be known for fireworks. It could also be known for increased levels of particulate matter. Scientists have found that as explosions light up night skies, air pollution may worsen.
Mercury pollution has increased drastically over the 20th century. Scientists have studied a 600-year-old ice core and have found that global mercury levels have increased in the atmosphere quickly in the modern era.
Researchers may have discovered a bit more about the startling changes that impacted a massive lake. Scientists have found that the Palaeolake Mega-Chad, which was once the largest freshwater lake on Earth, dried up in a matter of a few hundred years.