John Wenz

John Wenz

 

John Wenz is a freelance writer based in Lincoln, Nebraska. In addition to Smithsonian Magazine, his works have appeared in Popular Mechanics, Scientific American, Discover Magazine, Popular Science and other outlets. His forthcoming book, The Lost Planets, will be released by MIT Press this fall.

A mosaic of Mars images captured by the Viking Orbiter 1, which operated around the planet from 1976 to 1980. Valles Marineris, the largest canyon in the solar system, cuts across middle of the planet, stretching over 3,000 km long and up to 8 km deep.

With Opportunity Lost, NASA Confronts the Tenuous Future of Mars Exploration

Following decades of continuous flights to Mars, NASA is facing a shortage of missions

Chicago on a cold and windy day

What Is Wind Chill, and How Does It Affect the Human Body?

While wind will not change the ambient temperature of the air, it will change the temperature of your body

Astronomers believe that in the distant future, trillions of years from now, new and exotic types of stars will form across the universe.

Four Types of Stars That Will Not Exist for Billions or Even Trillions of Years

According to models of stellar evolution, certain types of stars need longer than the universe has existed to form

1960s science fiction illustration of lunar exploration.

The Missions to the Moon That Never Left the Drawing Board

From pioneers of science fiction to the height of the space race, these are the ideas for lunar flight that never launched

An artist’s impression of the newly discovered planet’s surface.

Astronomers Discover Second-Closest Known Exoplanet

The planet, a frozen Super-Earth, orbits Bernard's Star about six light-years away

Illustration of NASA's Transiting Exoplanet Survey Satellite (TESS) observing an M dwarf star with orbiting planets.

TESS Space Telescope Will Find Thousands of Planets, but Astronomers Seek a Select Few

NASA's new space telescope has already discovered two planets, but the hunt for a world like Earth is just getting started

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