Countdowns

From causing muscle loss to raising the risk of blood clots, long-haul space missions can have a profound impact on the human body.

From a dummy-driven Tesla, to a giant disco ball, to U.S. presidents' hair, here are some of the weirdest things humans have put into space.

Which of the body's organs weigh the most? The answer may surprise you.

You do not want to eat these odd toxic creatures.

Here's a countdown of 10 common skin conditions, some benign and others life-threatening.

Europe's glaciers and ice patches are an enormous deep freezer for artifacts. Here is a countdown of 25 of the most fascinating objects revealed by Europe's melting ice.

Throughout the ages, humans have built temples dedicated to deities. Here are 31 of the most famous monumental temples from around the world.

The fossil record is filled with strange marine animals that would look like sea monsters if they were alive today.

From weed pollen to mold, these are the five most common culprits behind seasonal allergies in the U.S.

Reference Earthquakes, hurricanes and volcanoes have taken countless lives and caused immeasurable damage throughout history.

To celebrate Pi Day, we asked several mathematicians to tell us their favorite non-pi numbers. Here are some of their answers.

In modern times, why is there still such a stark gap between the way women and men are treated when seeking healthcare?

These unusual phobias may sound bizarre, but they are real conditions that bring great distress to those who live with them.

It might be known as the "love hormone", but there are many different effects of oxytocin.

For Valentine's Day, Live Science gathers together some of the more extravagant and outlandish courtship rituals in the animal kingdom.

It's the leading cause of death in the United States, but what are the top heart disease risk factors?

There's some debate around which human body parts are useless and which aren't.

Discover the scientific facts that debunk these eight common sleep myths.

Here are five predictions about what archaeologists may dig up in 2023.

It's no surprise that snakes have always been creepy.