How do we know where to look for life on other planets? SETI scientists use analog sites on Earth, not only... more

You interact with about two-thirds of the elements of the periodic table every day. Some, like carbon, oxygen, and nitrogen,... more

The Amazon is often described as an ecosystem under dire threat due to climate change and deliberate deforestation. Yet there... more

A thousand years ago, most people didn’t own a single book. The only way to access knowledge was to consult... more

Extreme heat is taking its toll on the natural world. We use words like “heat domes” and “freakish” to describe... more

They look like a cross between a beaver and a duck, and they all live Down Under. The platypus may... more

What is life? Even as the search for life in the universe evolves, surprisingly, there is no consensus on what... more

The idea that the universe is made of tiny vibrating strings was once the science theory du jour. String theory promised... more

Imagine tapeworms longer than the height of an adult human. Or microbes that turn their hosts into zombies. If the revulsion... more

Whether in miles or pounds, meters or kilograms, we take daily measure out our lives. But how did these units... more