The world can be a pretty mysterious place, but scientific questions need scientific answers.

A new analysis of the ancient human footprints at White Sands National Park in New Mexico offers more evidence that they are around 23,000 years old.

There are five basic human senses: touch, sight, hearing, smell and taste. The sensing organs associated with each sense send information to the brain to help us understand and perceive the world ...

The northern lights appear in the sky when charged particles from the sun slam into molecules in the atmosphere, releasing energy in the form of colorful lights.

When it comes down to it, it's your immune system versus the world. From "innate" immunity — which protects your body against basic threats — to "adaptive" immunity, which homes in on specific ...

In just 100 million years, the universe could start to shrink, new research suggests.

The minerals were found inside a slice of the El Ali meteorite, which was found in Somalia in 2020.

Performed remotely in Mexico by engineers and embryologists in New York, an automated fertility treatment resulted in conception and, more recently, a live birth.

Glacial melt could increase volcanic activity in North America, New Zealand and Russia, spewing greenhouse gases into the atmosphere.

Animal sex is can be strange. Some animals have sex with many partners. Homosexuality is common, monogamy rare. With animals, sex can be wild.

Researchers have found that wounds heal three times more slowly in humans than in other primates and rodents, suggesting we may have evolved slower healing at some point in our ancestry.

Archaeologists recently discovered the skeleton of a medieval soldier and his weapons at the bottom of a lake, the first such find in Lithuania.