After the dog's burial, rising sea levels flooded the region.
A seven-armed octopus unexpectedly washed ashore on Whidbey Island, Washington, even though these cephalopods aren't native to the area.
About 100 million years ago, a gigantic meteorite collided with Australia, creating a 3-mile-wide impact crater.
A CT scan of an ancient mummy shows that its "mummy portrait" was almost, but not completely accurate.
In 7000 B.C., a kiln-like pit became the site of the earliest know human cremation in the Near East.
These strange, long-necked Triassic beasts were able to coexist because they chowed down on different prey.