Precambrian time covers the vast bulk of the Earth's ... including the fossilized remains of plants and animals buried when the sediments were formed. The Earth was already more than 600 million ...

At this time, biological diversity increases ... So what exactly were these highly diverse Precambrian creatures? Plants, animals, or of another kingdom entirely? Nearly all scientists today ...

But this is precisely what understanding death essentially means: grasping that a dead individual can no longer do what they ...

All animal evolution for the last half billion ... It has long been suspected that the sparseness of the pre-Cambrian fossil record reflects these two problems. First, organisms may not have ...

The 550-million-year-old Quaestio simpsonorum is the first fossil to show a definitive left-right asymmetry, an important ...

My research encompasses lab experiments, modeling, petrography, in situ geochemistry, and fieldwork, spanning modern environments to Precambrian time. My general philosophy is to use experiments and ...

There are millions of animal species on our planet, and each has a reproductive strategy that has evolved to match its specific needs. But which species can have the most babies at one time?

Until now, it was believed that animals first evolved from single-celled ... The research was published in the journal Precambrian Research.

One result of this approach was what critics now laud as a masterclass of world cinema, as well as one of the most well-respected arthouse animal movies of all time: Au Hasard Balthazar.

Even Marine Animals in Untouched Habitats Are at Risk ... beaks that could be used to help them find food. This is the first time this ... New 'Grumpy' Fish Species Discovered in the Red Sea ...

Next day Tuffy’s owner, Joseph Dobish, was held on $3,000 bail. The charge was not, curiously enough, cruelty to animals, but involuntary manslaughter. Contact us at letters@time.com ...

More than 541 million years ago, during the Precambrian Eon, life existed in a quiet ... The distinctive stalked eyes of this small, sea-dwelling animal had been well studied, but this time the team ...