In 2029, asteroid Apophis will come close to Earth, potentially triggering tremors and landslides on its surface.
An asteroid the size of the Empire State Building, named Apophis, could potentially hit Earth in 2029, but scientists consider the chance extremely small.
DART's goal was to examine how well a planetary defense strategy in moving a threatening space rock away from Earth. Hera will examine the collision from a nearby vantage point, providing a different ...