Overnight SpaceX launch saw booster flown for record 26th time
An overnight SpaceX early Saturday used a booster that had already flown to space 25 times. The 26th came off without a hitch ...
An asteroid has a 2% chance of hitting Earth in 2032. Here’s how astronomers are tracking it
YR4 has a 2% chance of hitting Earth in 2032. Astronomers are tracking it to refine estimates of its size and orbit to see how much of a risk the space rock poses.