Earth, asteroid

The tech billionaires could collaborate on a "humanity-saving" moon base in case an asteroid hits Earth, Douglas MacKinnon ...
In a rare "time-critical" decision, the James Webb Space Telescope will study the true size of the "potentially hazardous" ...
Astronomers will use the Webb telescope to closely monitor the size and trajectory of an asteroid that has a slim chance of striking Earth in 2032.
The potentially hazardous asteroid Bennu probably won't hit Earth. But this study shows the damage a space rock of its size ...