Once upon a time, a cell became a tumor. Animals were soon to follow.
Exquisitely preserved animal fossils now show up on three widely separated continents. The earliest are just as complex as those in the Burgess Shale.
A healthy elderly couple in India is asking for joint euthanasia because their lives are of no use.
One #GivingTuesday donor has already offered to match your gift by 50 percent. So if you give $200 today, you will actually be giving $300!
A teacher’s assistant at Wilfrid Laurier University in Canada was chastised after she showed a video of two professors from the University of Toronto debating.