MarsNovember 26, 2025
Mars May Have Lightning, Scientists Find
The presence of electrical activity has implications for surface chemistry, future human exploration and habitability on the Red Planet
Stories by Payal Dhar
Payal Dhar (she/they) is a freelance journalist who covers science, technology and society. They write about AI, robotics, biotech, space, online communities, games and any shiny new technology that catches their eye.
Planetary ScienceAugust 20, 2025
These Tiny Disks Will Sail on Sunlight into Earth’s Mysterious ‘Ignorosphere’
With no fuel or engines, tiny explorers will surf sun-warmed air alone to explore high in the skies of Earth and Mars
AgingApril 15, 2025
Tech Use Isn’t Driving Dementia in Older Adults
Smartphone and computer use hasn’t put today’s older adults at increased risk of cognitive decline
Medical TechnologyApril 2, 2025
Tiny, Injectable Pacemaker Runs on Light and then Dissolves
This temporary pacemaker, smaller than a grain of rice, could regulate the heart less invasively
Solar systemDecember 20, 2024
Ancient Moon Melt Event May Explain 150-Million-Year Gap in Age Estimates
The moon may have melted 4.35 billion years ago—explaining a lunar age mystery
Materials ScienceMarch 25, 2024
Wood Ink for 3D Printers Can Turn Old Scrap into New Parts
A 3D-printing ink developed from wood waste recombines its natural components back into wooden products
ElectronicsFebruary 21, 2024
The Sophisticated Threads behind a Hat That Senses Traffic Lights
A new technique to make electronic fibers could help solve wearable technology’s flexibility problem
MedicineJanuary 10, 2024
First-Ever Biorobotic Heart Helps Scientists Study Cardiac Function
A model heart made from living tissue fused with robotic muscles could help researchers see how the organ works on the inside