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Nola Taylor Tillman

Nola Taylor Tillman is a freelance science journalist with a focus on space and astronomy. She has a degree in English and astrophysics from Agnes Scott College and lives in Atlanta, Ga. She has written for publications including Eos, Scientific American, New Scientist, Science, and Discover magazine.

A collage of Martian valley networks superimposed with channels on Earth. The shapes of the channels appear to be almost identical.
Posted inNews

Martian Glaciers May Have Carved Its Valleys

by Nola Taylor Tillman 2 August 20222 August 2022

Networks of valleys provide puzzling hints of running water on the surface of the Red Planet. New research suggests that some tributaries could have formed from icy sheets thousands of meters thick.

A diagram of the largest known milky sea incident
Posted inNews

Satellites Allow Scientists to Dive into Milky Seas

by Nola Taylor Tillman 3 September 202125 October 2021

Satellites may finally be able to report the fleeting phenomena of milky seas in near-real time, allowing researchers to potentially study an ocean mystery that has survived more than 2 centuries.

Long, nearly straight lines of sand ridges on Mars
Posted inNews

Megaripples on Mars—How to Name Wind-Shaped Features on the Red Planet

by Nola Taylor Tillman 30 August 202114 April 2022

New research suggests a more settled terminology for Martian aeolian landforms based on size and geomorphology.

A Cassini image of Saturn’s moon Enceladus with the four tiger stripes highlighted
Posted inNews

On Thin Ice: Tiger Stripes on Enceladus

by Nola Taylor Tillman 11 November 20208 September 2022

Saturn’s moon Enceladus boasts fierce tiger stripes around its south pole, a mystery that has long puzzled scientists. New research explores the stripes by examining how the moon’s ice breaks.

Black-and-white image of the Martian landscape feature Medusae Fossae
Posted inNews

Scientists Float a New Theory on the Medusae Fossae Formation

by Nola Taylor Tillman 19 May 202025 August 2022

Pumice-like rafts of lightweight material could have carried volcanic debris across an ancient Martian ocean to build one of the most puzzling features on the Red Planet.

An artist's impression of a gas giant orbiting a white dwarf star
Posted inNews

Hot White Dwarfs May Reveal Cold Gas Giants

by Nola Taylor Tillman 2 March 202014 January 2022

The gaseous atmospheres of giant planets may evaporate and accrete onto the dense surfaces of white dwarfs, providing astronomers a new way to detect hidden exoplanets.

Artist’s depiction of a variety of Jupiter-sized exoplanets with clouds
Posted inNews

An Exoplanet with Evolving Clouds of Salts

by Nola Taylor Tillman 27 February 20207 March 2022

Clouds form and dissipate on a gas giant orbiting a Sun-like star.

A fireball in the night sky
Posted inNews

Tiny Fireballs May One Day Reveal Unseen Asteroids

by Nola Taylor Tillman 20 February 202015 February 2022

The tiny fireball that flew over Japan in 2017 came from an asteroid that could threaten Earth in 10 million years or so. Scientists are trying to use these little meteors to hunt larger objects.

Illustration of the interstellar object ‘Oumuamua shedding dust while hurtling toward the distant Sun
Posted inNews

Interstellar Visitors Could Export Terrestrial Life to Other Stars

by Nola Taylor Tillman 22 January 20204 January 2023

A handful of interstellar objects and long-period comets could have scooped up microorganisms from Earth and carried them to worlds around other stars.

Jupiter’s aurora captured by the Hubble Space Telescope
Posted inNews

Computers Tease Out Secrets of Jupiter’s Aurorae

by Nola Taylor Tillman 21 November 201910 February 2023

Aurorae once classified by human eyes are now being sorted by machines. The change may help astronomers understand how the mysterious features are powered.

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