Until about 4,000 years ago, mammoths trudged through northern Siberia. (Artist's impression: Daniel Eskridge)
In the end it was too wet: The ice age...
But tragically, they continue to make the often grueling and energy-guzzling journey every year.
Every year, many animals, including mammals, birds and insects, prepare themselves...
Reconstruction of a linear ceramic longhouse. (Photo: M. Steffen / State Office for Monument Preservation in the Stuttgart Regional Council)
Near Tübingen, archaeologists discovered...
The characteristics of a living being are also influenced by certain switch molecules on the DNA. (Image: kirtypargeter / iStock)
Epigenetic inheritance also shapes...
Surprisingly, he occasionally feasted on a piece of tender meat.
The six present-day sloth species are all relatively small, vegetarian and especially very lazy arboreal...
Muscle strands on the shoulder made pterosaurs more aerodynamic. (Image: Alex Boersma)
When pterosaurs took to the skies, their physique apparently offered them an...