Author: Mark Zastrow

Mark Zastrow is Editor-in-Chief of Astronomy magazine. He holds masters degrees in astronomy and science journalism and has over a decade of experience covering science in the U.S. and in Asia. In graduate school, he studied exoplanets, M dwarfs, and the water ice plume of Enceladus. Before joining Astronomy, he was a freelance reporter in Seoul for five years, covering topics including the rise of AI and the AlphaGo match, South Korea’s quest to win a science Nobel Prize, research misconduct, and two coronavirus outbreaks.

Snapshot: A far-out gas giant takes shape in an unusual way

Robotic Spaceflight

U.S. pledges not to destroy its own satellites with missile tests

Human Spaceflight, Solar System, Space Exploration

50 years ago, Apollo 16 roved the lunar highlands

Human Spaceflight, Robotic Spaceflight

WATCH: South Korea tests solid-fuel rocket with sea launch

The Sun’s coronal loops may be an optical illusion

Human Spaceflight

Genetically modified space-grown lettuce could save astronauts’ bones

Human Spaceflight, Robotic Spaceflight, Space Exploration

SpaceX defends Starlink over collision concerns

Astronomers spot signs of planets forming around dying stars

Space Exploration, The Moon

The Moon’s farside has sticky soil, Yutu-2 finds

Robotic Spaceflight, Space Exploration

James Webb Space Telescope successfully unfolds mirrors

Robotic Spaceflight, Space Exploration

James Webb Space Telescope successfully deploys sunshield

Robotic Spaceflight

The James Webb Space Telescope is finally in space