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Before the rise of the Incas, a civilization known as Tiwakanu ruled the Andes, and archaeologists have uncovered a massive temple left behind by this enigmatic society.

How do you measure climate change? One way is by recording temperatures in different places over a long period of time.

The world's most advanced AI models are exhibiting troubling new behaviors - lying, scheming, and even threatening their creators to achieve their goals.

For the first time, researchers have seen how light behaves during a mysterious phenomenon called 'imaginary time'.

Take your coffee black, and it could help you live longer: That's according to a new study that found coffee drinkers tend to live longer, but only those who put little or no sugar and saturated fat in their beverages.

If scientists of the 19th century could have used modern tools to study the atmosphere, they might have noticed the early warning signs of a major shift: human activities, like burning coal and wood, had already begun changing the climate.

Over the last decade, Earth's oceans have been warming at unprecedented rates, yet one mysterious blob of water, just south of Greenland, has defied this trend.

Pictures of the International Space Station as it passes in front of the Sun or Moon are a bit of a feather in the cap of space photographers - but Arizona-based astrophotographer Andrew McCarthy bagged a real prize.

The Mediterranean diet, high in plants and low on meat and dairy, has been linked to a host of health benefits - including longer life and lower cancer risk.

Following a particular diet or exercising a great deal are common and even encouraged in our health and image-conscious culture.