Between 50 and 1,000 kilometers above our heads is the ionosphere, a layer of Earth's upper atmosphere consisting of charged particles: ions (atoms that have gained or lost a negatively charged ...

Residents frequently report seeing a line of lights moving across the night sky, often capturing photos and videos. These sightings spark the same question: What are these lights?Real-Life ...

The James Webb Space Telescope has revealed dozens of tiny, distant galaxies piercing the fog of the cosmic dark age in the ...

At Expo 2025, the games are more than shiny distractions. They form a tight web of reward loops— little jolts of dopamine that pull visitors forward one point with their emotional impact, one badge at ...