Letters to the Editor
- Anthropology
Readers ponder children’s pretend play, planetary dust storms and more
Readers had questions about children’s fantasy play, lasers creating 3-D images and dust storms on Mars.
- Neuroscience
Readers muse about memory, magnetic monopoles and more
Readers had questions about the physical trace of memory, magnetic monopoles, blowflies and more.
- Planetary Science
Readers weigh in on human gene editing and more
Readers debated feeling morally obligated to edit their kid's genes and had questions about exoplanets.
- Astronomy
Readers ask about supernovas, dark energy and more
Readers had questions about a supernova that continuously erupts, the difference between dark energy and dark matter, and more.
- Cosmology
Readers wonder about the universe’s expansion and more
Readers had questions about the universe's accelerating expansion, a hidden void in the Great Pyramid of Giza and what happens to human waste in space.
- Life
Readers wrangle with definition of ‘species’
Readers asked about the definition of "species," a new atomic clock and how a neutron star collision produces heavy elements.
- Science & Society
These are the most-read Science News stories of 2017
From Cassini and eclipses to ladybugs and dolphins, Science News online readers had a wide variety of favorite stories on our website.
- Life
Readers debate ethics of resurrecting extinct species
Readers raised questions about using gene editing tools to bring species back from the dead.
- Science & Society
Readers inspired by SN 10 scientists’ research
Readers wanted to know more about the scientists' research who were profiled in "The SN 10: Scientists to watch."
- Health & Medicine
Readers intrigued by ancient animals’ bones
Readers had questions about gut bacteria, woolly rhino ribs and ancient horses hooves.
- Particle Physics
Readers question photons colliding, black sea snakes and more
Readers had questions about brain flexibility, black sea snakes and photon collisions.
- Astronomy
Readers ponder mini-spacecraft and Canaanites’ genomes
Readers have questions about miniature spacecraft project and Canaanite genealogy.
