Have you ever noticed that when you’re hiking or just taking a walk in the woods, you rarely see a dead animal? There are plenty of animals out there, and like everyone else, they die. So why don’t we ...

What is space-time? Depending on how fast you're moving or how close you are do Earth's gravity can change the way time feels ...

Hibernating animals reverse aging, avoid diabetes, and preserve muscle. Could we one day do the same?

What are some of the most oddly-shaped galaxies? Learn more about some of the Universe's unusual formations.

Knowing the current health status of your heart is crucial — and dating your heart’s age might just be the right tool for it.

Learn more about the new language researchers uncovered at the Boğazköy-Hattusha site, indicating the city’s residents loved ...

What is the gut microbiome? Learn more about why it's crucial for our health and wellness.

Dive into the movement of the spindly brittle star, which is more mobile, and more connected, in the deep sea.

What is a placental mammal? Learn more about placental mammals and how having a placenta may have been an evolutionary ...

The stellar companion may help explain why the brightness of Betelgeuse, the red supergiant, is open to so much variation.

Learn how sweat emerges from the skin, a process that has important implications for human health, textiles, and technology.