Blood-sucking sea lampreys on the rise in Great Lakes again
If you see these colorful lanternflies, officials want you to kill them
This sunflower plant can produce up to 1,000 blooms in one season
Florida is testing to see how pythons can be safely eaten to combat overpopulation
A huge, record-breaking python was caught in Florida
USDA issues warning about mystery seeds showing up in Americans' mailboxes