Ichthyosaurs are marine reptiles that occur globally in the same rock layers as dinosaurs. Specimens with babies support the idea that they gave live...
Reptiles belong to a group of animals called amniotes that also include birds and mammals. A new Australian fossil discovery of a clawed amniote demonstrates...
It has traditionally been thought in biology that invertebrates were somehow simple and less complex than vertebrates. But in past decades, this has...
God has designed some creatures with an amazing ability to stop or slow down their metabolism (life processes) when encountering challenging conditions.
This...