An aerial view of an open pit phosphate mine

Life According to Phosphorus

Phosphorus is essential for fertilizing high-yield agriculture. The US domestic supply, restricted to Florida, is expected to run out in a couple of decades.
These fossilized foraminiferan shells, dating back 35 to 45 million years, were found in Tanzania. They all belong to species that are now extinct. The largest are about half a millimeter in diameter.

The History of the Ocean, as Told by Tiny Beautiful Fossils

Bountiful remains of foraminifera reveal how organisms responded to climate disturbances of the past. They can help predict the future, too.
Maxine Singer, Norton Zindler, Sydney Brenner and Paul Berg at the Asilomar Conference, February 1975

The Legacy of Asilomar

The 1975 scientific conference laid the ground rules governing the next half century (and counting) of biological research and public scrutiny of it.
Ridge trail to Mt Lafayette in the White Mountains, New Hampshire

How Did Eastern North America Form?

With many collisions and much crumpling of rock, down the ages. The story holds lessons for how the edges of continents are built and change over time.
Hellas Chaos on Mars

Mars Time Machine

Researchers are creating advanced simulations that will provide a deeper understanding of Mars’s climatic history and help to determine whether it was once able to sustain life.
Caitlin D. Wylie

Caitlin D. Wylie on the Hidden Labor of STEM Research

An interview with Caitlin D. Wylie, a social scientist who analyzes “behind-the-science work” to understand how knowledge is produced and who produces it.
Close-up of sourdough starter and flour in jars

The Science of Sourdough: How Citizens Are Helping Shape the Future of Fermented Foods

Citizen scientists are drawing on personal experience to help researchers create new plant-based fermented foods and maximize their health benefits.
Lord Rosse's Great Reflecting Telescope, at Parsonstown, Ireland

Leviathan Resurrected: Illustration and Astronomy

In the 1840s, the Leviathan of Parsonstown, built by William Parsons, third Earl of Rosse, became the largest telescope in the world.
Vienna, Austria. The Naturhistorisches (Natural History) Museum, Vienna

Natural History: A Reading List

This annotated bibliography samples scholarship on the rich—and difficult—history of natural history.
The Sun's corona observed in extreme ultraviolet (131 Å)

Colliding Plasma Ejections From the Sun Generate Huge Geomagnetic Storms

Studying them will help scientists monitor future space weather.