From 9-foot tall ostriches to albatrosses with gargantuan wingspans, here are some of the biggest birds in the world.

ST. PETERSBURG, July 3. /TASS/. Russian scientists have discovered the largest emperor penguin colony in recorded history near the Mirny Antarctic station, with a congregation of approximately 18,700 ...

"Each of these species and organisms work together in ecosystems, like an intricate web." Researchers issue warning after ...