Geography

Women’s menstrual cycles synchronize with moon cycles, study shows

In a new study, researchers used scientific methods to examine the connection between lunar and women's menstrual cycles. They suggest that in ancient times, human...

Baby tyrannosaurs were only the size of a Border Collie dog, shows study

They are among the largest predators ever to walk the Earth, but experts have discovered that some baby tyrannosaurs were only the size of...

Scientists find lots of water in the world’s most explosive volcano

There isn’t much in Kamchatka, a remote peninsula in northeastern Russia just across the Bering Sea from Alaska, besides an impressive population of brown...

First people to enter the Americas likely did so with their dogs

The first people to settle in the Americas likely brought their own canine companions with them, according to new research which sheds more light...

Where did Earth’s nitrogen come from?

New study reveals two distinct sources of life-essential element on Earth. Where did Earth's nitrogen come from? Rice University scientists show one primordial source of the...

Scientists reconstruct all-purpose dinosaur opening for the first time

For the first time ever, a team of scientists, led by the University of Bristol, have described in detail a dinosaur's cloacal or vent...

New starfish-like fossil reveals evolution in action

Researchers from the University of Cambridge have discovered a fossil of the earliest starfish-like animal, which helps us understand the origins of the nimble-armed...

Parrots pushed to extinction, despite protection policies

Habitat destruction by logging and agriculture is pushing parrot species towards extinction, while current protected areas are failing to mitigate these effects, according to...

Scientists identify contents of ancient Maya drug containers

Scientists have identified the presence of a non-tobacco plant in ancient Maya drug containers for the first time. The Washington State University researchers detected Mexican...

Why crocodiles have changed so little since the age of the dinosaurs

New study by scientists at the University of Bristol explains how a 'stop-start' pattern of evolution, governed by environmental change, could explain why crocodiles...