Paradisaea rubra

Charles Darwin’s Descent of Man, 150 Years Later

A new book on Darwin’s classic asks what he got right and wrong about “the highest and most interesting problem for the naturalist:” human evolution.
An artist concept of a NASA astronaut on Mars

Why Hasn’t NASA Sent Anyone to Mars?

The Perseverance mission to Mars represents a considerable step forward for the space program. But are rovers as good as it gets?
Annie Montague Alexander

Annie M. Alexander: Paleontologist and Silent Benefactor

An unsung patron of science whose deep pockets and passion for exploring led to the founding of two influential natural history museums.
geothermal basin in Yellowstone NP, Wyoming.

How Yellowstone Extremophile Bacteria Helped With Covid-19 Testing

The heat-resistant enzyme from Thermus aquaticus is used in PCR testing to detect pathogens.
An illustration of sunspots from between 1885 and 1890

Do Sunspots Explain Global Recession, War, or Famine?

Maybe it's something about the number eleven?
Execution of Louis XVI, 1793

The Decapitation Experiments of Jean César Legallois

This French scientist conducted a series of gruesome experiments in his quest to discover the true limits of life and death.
Little brown bat

What Bats Can Teach Humans About Coronavirus Immunity

Bats have a unique genetic ability to tolerate many viral infections. Can humans uncover their secrets?
The Bobcat Fire burns through the Angeles National Forest on September 11, 2020 north of Monrovia, California.

A Recipe for Ancient Wildfires

The earliest wildfires raged long before humans, and they only needed three ingredients to get started.
A forest fire reflected in Okanagan Lake, British Columbia, Canada

Wildfires and Climate Change

Scholarly research offers insight into the ways climate change and other factors are contributing to the wildfire crisis.
A nurse applies a vaccine in Caracas, Venezuela in March, 2020

How Will a Coronavirus Vaccine Work?

Four different ways researchers use the virus's own structure to train our immune systems to exterminate it.