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 ...

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 ...

For a brief stretch on April 13, 2029, a giant space rock will slip closer to Earth than some of the satellites parked high above the planet. That object is Apophis, an asteroid once treated as a ...

A rare stargazing spectacle will unfold on Friday, April 13, 2029, as the asteroid Apophis passes closer than satellites over Europe and Africa in a true once-in-a-lifetime event. When you purchase ...

Richard Binzel has been watching the skies for hazardous asteroids for more than 50 years. In 1995, he proposed the Near-Earth Object Hazard Index, later renamed the Torino scale, which rates ...