Claire Cameron

Transitioning between the sexes allows these five fish species to survive and thrive.

In her own words: Charlotte McCurdy

“The future will not be the past. It is going to be different.”

Welcome to the gang, 2020 CD3.

Get ready for the launch of NASA and ESA's Solar Orbiter, the spacecraft that will transform what we know about the Sun.

"Now voyager sail thou forth to seek and find."

It may have been violent, but this is one of the most beautiful cosmic standoffs we have ever seen.

A provocative new study suggests the microbes that live in your gut could reveal critical details about your health — and your death.

This is still a major cause for concern today.

Here are the ways we learned to live better, happier, and longer in 2019.

From feral hogs to sustainable diets, these stories are unmissable.

Things got weird this year. Real weird.

They're sexy. They're creepy. They live in the uncanny valley.

The psychedelic experience has a lot in common with sensory overload.

"Nature is fundamentally trying to tell us something that we haven’t considered in our planetary models."

Time to retire several tired stereotypes about how young people are self-centered snowflakes.

The drug may return the brain to a teenage "critical period,' re-opening neural plasticity.

This so-called miracle tonic, marketed as a ‘treatment’ for myriad health conditions, has the FDA worried.

Finally, a species we managed to save rather than annihilate. For now.

At 40 billion solar masses, this black hole breaks records.