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.
Illustration from a Russian postal card of Luna 9

The First Lunar Lander and the Great Moon Dust Debate

In 1966, the Soviet Union’s Luna 9 became the first spacecraft to soft-land on the Moon, helping to resolve questions about the nature of the lunar surface.
A lump of peat used to make whiskey

Why Peat Is a Key Ingredient in Whisky and the Climate Crisis

Approximately 80 percent of Scotch whisky is made using peat as a fuel source for drying barley during the malting process. Is that a problem?
Artist’s conception of early star formation:

When Everything in the Universe Changed

The revolutionary James Webb Space Telescope and next-gen radio telescopes are probing what’s known as the epoch of reionization.
Icebergs towering over a sailing ship in Arctic waters.

The Open Polar Sea: Myth and Science at the North Pole

The idea of an open polar sea haunted the imaginations of European explorers and scientists alike in the nineteenth century.