To close this gap, NASA is building the Near-Earth Object Surveyor, a space telescope designed to detect asteroids using infrared rather than visible light. Its infrared sensors will detect both ...

Earth just had two close calls... and one went completely unnoticed. A small asteroid passed just 266 miles above Antarctica—closer than many satellites—before anyone even spotted it. Less than a day ...

What would happen if a massive asteroid collided with Earth. ​​​Stimulus check update: Trump details timeline for $2,000 ...