The OSIRIS-REx spacecraft's name has been changed to OSIRIS-APEX for its new mission to asteroid Apophis. See its journey to ...

The team calculated that the orbital period of Apophis, or the time it takes to orbit the sun, will be stretched from 0.9 years to 1.2 years as a result of the asteroid's 2029 encounter with Earth.

Asteroid Apophis will visit Earth in 2029, ... (31,860 kilometers) of Earth. For comparison, geosynchronous orbit is 22,236 miles (35,786 km) above Earth's surface.

Asteroid Apophis has the tiniest chance of hitting earth in 2029 – on a Friday the 13th While the chances of an impact are slightly higher than we thought, the odds are still about one-in-2 ...

Apophis is projected to pass within 20,000 miles of our planet’s surface on April 13 2029. The menacing asteroid will harmlessly pass by, astronomers say.

The near brush with Earth will alter the asteroid's orbit and the length of its day — normally 30.6 hours. It could also produce quakes and landslides on Apophis, which could then expose ...

The good news? The chance of an unknown asteroid hitting Apophis off its current course at all was less than one-in-a-million. And the odds that such an impact would send it hurtling toward Earth ...

The asteroid Apophis, once considered a possible collision risk with Earth, will pass close but harmlessly in 2029. Scientists say its close approach could provide valuable information about the ...

Currently, Apophis is categorized as an Aten-type asteroid, which is what we call the class of near-Earth objects that have a shorter orbit around the sun than Earth does.

In a bit of ominous news befitting a Friday the 13th: It turns out that the asteroid Apophis could have a very small chance of colliding into Earth in five years, when it is expected to make a ...