Sarah Wild

Latest articles by Sarah Wild

image of Earth during equinox from space showing the left half in shadow and the right half in light.

What is an equinox?

By Sarah Wild last updated

Reference Equinoxes occur twice a year when the sun is directly above the equator, and signal herald the beginning of spring and autumn.

Reference
NASA astronaut Michael Hopkins celebrating the announcement in August 2018 that he would be flying to the International Space Station on the first full-fledged mission of the SpaceX Crew Dragon.

Michael Hopkins: NASA astronaut and SpaceX Crew Dragon commander

By Sarah Wild published

A brief summary of Michael Hopkins' career in the Air Force and at NASA.

Human Spaceflight
Photo of NASA astronaut Shannon Walker in a blue flight suit with American flag patch on the sleeves. She is crossing her arms and smiling at the camera.

Shannon Walker: NASA astronaut and SpaceX Crew Dragon mission specialist

By Sarah Wild last updated

Here's a summary of Shannon Walker's career.

Human Spaceflight
How Glacial Biomarkers Can Hone the Search for Extraterrestrial Life

How Glacial Biomarkers Can Hone the Search for Extraterrestrial Life

By Sarah Wild published

Search for Life
Norovirus virion

Are Viruses the New Frontier for Astrobiology?

By Sarah Wild published

Astrobiologists should consider searching for viruses in their quest to find evidence for life beyond Earth, some scientists stress.

Search for Life
wright valley from bull pass

How Desert-Dwelling Earth Bacteria Can Aid Search for Life on Mars

By Sarah Wild published

Mars