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.
Evolving intelligent life took billions of years − but it may not have been as unlikely as many scientists predicted
Humans evolved late in Earth history. While this timing inspired the conclusion that humanlike life is a cosmic improbability ...