Most living mammals are active at night (or nocturnal), and many other mammal species are active during twilight conditions. It has long been thought that the transition to nocturnality occurred at ...

Reconstruction of the appearance in life of a gorgonopsian in a floodplain of the Permian of Mallorca (Henry Sutherland Sharpe via Courthouse News) (CN) — Mallorca in Spain’s Balearic Islands is well ...

Researchers reveal new insights into the complex evolutionary history behind the distinctive upright posture of modern placental and marsupial mammals, showing the transition was surprisingly complex ...

A nocturnal existence is a way of life for numerous mammals, from bats that swoop through dark skies to skunks that emit their noxious spray under moonlight and majestic lions, tigers and leopards ...

Most mammals around today are active at night or during twilight hours. For a long time, we thought that the transition to nocturnal behavior happened early in mammalian history around 200 million ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

A nocturnal existence is a way of life for numerous mammals, from bats that swoop through dark skies, to skunks that emit their noxious spray under moonlight, to the majestic lions, tigers and ...

The Permian Period, which lasted from about 299 to 252 million years ago, was one of the most fascinating and dangerous times in Earth’s history. It ended with the largest mass extinction ever ...

Life in the Age of the Dinosaurs may explain why most mammals are born live and tiny rather than hatched from an egg. None of us hatched. All of us were born live, and we might seem to think of this ...

New study reveals that nocturnality has older origin than previously thought. Synapsids, living about 300 million years ago, were probably active at night. Most living mammals are active at night (or ...