The earliest forms of animal life on our planet continue to fascinate scientists, who are seeking to unravel the mystery of their origins. A team of geochemists from MIT recently provided new clues by ...

In March, I visited the Lowell Observatory — the astronomical research site where Pluto was first discovered — in Flagstaff, Arizona. I stood in line to squint through telescopes at Jupiter and the ...

A team of scientists digging up some of the Earth’s oldest rocks has uncovered new chemical evidence that Earth’s first animals were likely ancestors of the modern sea sponge. The discovery relies on ...

Ancient animal history is extremely difficult to reconstruct, for a number of reasons. Some of the earliest creatures in existence were soft-bodied and microscopic, leaving behind very little evidence ...