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Before the time of the dinosaurs, a naked, warm-blooded egg-layer known as a gorgonopsian sipped water from Pangea's tropical floodplains amid herb-grazing reptiles off what's now Mallorca in the Mediterranean.

A complete mastodon jaw has been discovered in the back yard of a New York home, along with a few other bits and pieces of the prehistoric herbivore, an extinct relative of modern-day elephants.

From vegetarians craving meat to changes in sexual preference, some organ transplant patients report changes to their personality reflecting those of the organ donor.

An elderly patient in Louisiana is in "critical condition" with severe avian influenza, US authorities announced Wednesday, the first serious human case in the country as fears grow of a possible bird flu pandemic.

Squirrels might look like adorable, nut-hoarding furballs, but some are ruthless predators that hunt, tear apart, and devour voles.

The formation of the Moon may have come harder on the heels of Earth's birth than we thought.

What, exactly, is your cat thinking? Scientists came up with a questionnaire in 2021 that might give you some idea of where your feline friend fits on what's known as the triarchic model of psychopathy.

The food you eat could either protect you from dementia, or put you at higher risk, according to several new studies.

A recent trend on social media has revived a curious technique from the late 1970s called cough CPR.

At the centre of the Milky Way is a supermassive black hole called Sagittarius A*.