Astronaut Loren J. Shriver, Mission Commander of STS-46, attempts to eat floating sweets on the flight deck of the shuttle Atlantis during its orbit of the earth, August 1992.

Food…in…Space!

A brief history of astronaut food, from nutrition cubes to space salads.
Photograph: Amphibians of La Escalera Region, Southeastern Venezuela

Source: WIkimedia Commons

Why the History of Science Should Matter to Scientists

Two historians consider the field of taxonomy to ask what history can provide science at the bench level.
Carl Sagan holding a globe model of the planet Mars, 1970s.

Should We Go to Mars? Carl Sagan Had Thoughts

It'd be "a step more significant than the colonization of land by our amphibian ancestors some 500 million years ago." But Sagan had reservations.
An illustration of elderberry

Plant of the Month: Elderberry

The recent entrance of elderberry into mainstream success is marked by an increasing popular desire to engage with traditional, “natural” remedies.
A still from Dune, 2021

The Ecological Prescience of Dune

Frank Herbert’s novel isn't just about space messiahs, giant sandworms, and trippy space drugs. At its core, the sci-fi epic is about ecology.
E. O. Wilson, 2003

E. O. Wilson and Biodiversity

Everyone talks about biodiversity these days, but an entomologist just might be its fiercest advocate.
Planet Earth from Space

Climate Change: A Syllabus

A selection of stories to foster dialogue among students both inside and outside of the classroom.
View of an airliner throughout stormy clouds and just inside a calm weather.

Why Climate-Change Geoengineering Feels Wrong

The idea of altering the climate instead of tackling emissions in earnest inspires widespread angst. A philosopher considers why.

Bird Watcher

Herbert Keightley Job's work represents a major turn in the study of birds. Instead of shooting them, he photographed them, at least some of the time...