Katherine Harmon Courage

The parasites found lurking in 1,000-year-old feces give a glimpse into the health and daily life of the past

What <i>Nautilus</i> executive editor Katherine Courage has been tuning into recently

Can eavesdropping on the ocean help to save its creatures?

From threats of solar storms to cosmic radiation, new efforts to warn Earthlings are launching

These word games spell out canines’ surprising cognitive powers

A radar system is set to map near-Earth objects as they fly by

Learning how to cope with heatwaves, from an ultrarunner

The dwarf planet might have had a hot core and liquid oceans

People took mushrooms, then studied famous paintings. Here’s what happened.

Welcome to the Climates Issue

An early peep for this year’s peak

6 projects to volunteer for community science to study butterfly populations