The rainbow of pigments that animals use for blood illustrates a central truth of evolution.
In harsh ecosystems around the world, microbiologists are finding evidence that “microbial seed banks” protect biodiversity from changing conditions.
By chopping up large numbers into smaller ones, researchers have rewritten a fundamental mathematical speed limit.
The astrophysicist Janna Levin reflects on the newly unveiled, first-ever photograph of a black hole.
Astronomers will soon take their first glance at the atmosphere of a distant exoplanet. Sarah Hörst is writing the guidebook for these exoplanetary explorers, one that will reveal what a distinctive atmosphere says about the world underneath.