YR4, which orbits the sun every four years and periodically crosses Earth's orbit. The nature of its orbit makes it a ...
Many biological molecules are chiral, meaning they exist in two forms that are mirror images of each other, like left and ...
YR4 became the highest-rated asteroid predicted to strike Earth, and although predictions for impact have lowered, not enough ...
CAPE CANAVERAL, Fla. — A private lunar lander carrying a drill, vacuum and other experiments for NASA touched down on the ...
YR4 has a 2.3% chance of hitting Earth in the year 2032. But according to new estimates, it may have an even smaller chance of hitting the moon instead.
a small moon orbiting the asteroid Didymos. If Bennu were ever confirmed to be on a collision course with Earth, similar techniques—such as kinetic impactors or gravitational tractors—could be ...
YR4: everything to know about the potential "city killer" space rock that has a 2.3% chance of striking Earth on Dec. 22, 2032.