Letters to the Editor

Readers ask about the moon’s slow escape from Earth and more

These are the most-read Science News stories of 2021

Science News drew over 21 million visitors to our website this year. Here’s a rundown of the most-read news stories and long reads of 2021.

Readers ask about the James Webb Space Telescope and cosmic cannibalism

Readers react to surfing protons, the origins of humans and more

Readers weigh in on nuclear fusion, paths to the good life and more

Readers discuss Pluto’s planetary status, balding black holes and more

Readers discuss ‘uniquely human’ DNA and Mars’ volcanic activity

Readers discuss corn debris biofuel, the color of ancient Mars’ oceans and more

Readers weigh in on deer-vehicle collisions, mouse sperm in space and more

Readers discuss the 1921 Tulsa race massacre, zombie fires and more

Readers weigh in on the Brazil nut effect, clock entropy and more

Readers react to birds colliding with wind turbines, mysterious muons and more