NASA observing ‘city-killer’ asteroid en route for Earth
NASA’s James Webb Space Telescope is helping astronomers study asteroid 2024 YR4, which has a small chance of striking Earth ...
The Debrief24m
Could Aliens with Human-Level Technology Detect Us? SETI Scientists Weigh In
SETI scientists try to determine whether aliens at a similar technology level to humans could detect Earth and from how far ...