Gray seal numbers are clearly increasing, according to scientists.
Unusual circular Aztec temple unearthed in the center of Mexico City.
Parents should be aware of the presence of black widow spiders and other venomous creatures during the summer season.
Jelly-like sea creatures are invading the West Coast.
Over 1/3 of the world is overweight -- and it is not something to take lightly.
Rattlesnakes are dying off due to a deadly fungal disease that has been affecting animals over the years.
National Park Service to drain and clean Lincoln Memorial Reflecting Pool after 80 ducks died.
Yemen's cholera epidemic has further worsened due to the malnourishment experienced in the war-ravaged country.
It seems that early humans were more technologically advanced than scientists originally thought.
Birds are conscientious because they need life skills to survive.
Fast-growing galaxies may be a reason why stars appear as fast as they do in the universe.