This occurrence will be the closest approach to Earth by an asteroid of this size that scientists have known about in advance ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A “city killer” asteroid the size of the Empire State ...

A famously unlucky date is getting a cosmic twist. NASA says the asteroid Apophis will safely pass close to Earth on Friday, April 13, 2029, coming about 20,000 miles from the planet's surface. That ...

A new study proposes low-energy spaceflight trajectories that could make missions to near-Earth asteroids like Apophis more affordable and flexible. The approach uses natural gravitational dynamics ...

As of April 13, an infamous giant asteroid known as Apophis is now three years away from becoming the first space rock of its size to come near Earth in recorded human history. Roughly the size of ...

(NEW YORK) -- A rare asteroid will soon be visible to the naked eye in a rare celestial event, according to astronomers. Asteroid 99942 Apophis – named after the Egyptian deity of chaos, darkness and ...

On April 13, 2029, asteroid 99942 Apophis will pass about 20,000 miles from Earth — closer than many geostationary satellites — but poses no impact risk for at least 100 years. Once feared for a ...

Near-Earth asteroid Apophis is a potentially hazardous asteroid that will safely pass close to Earth on April 13, 2029. It will come about 20,000 miles (32,000 kilometers) from our planet’s surface — ...