Asteroid Eros
This image, taken by NASA's Near Earth Asteroid Rendezvous mission in 2000, shows a close-up view of Eros, an asteroid with an orbit that takes it somewhat close to Earth.NASA/JHUAPL

A giant, mountain-sized and fist-shaped asteroid named Asteroid 2000 ET70 can lead to complete destruction of life forms on Earth if it collides with earth, astronomers from US Universities say.

Researchers from these universities are trying to find out more about the impact of this asteroid's intensity of crashing into the Earth's surface, with the help of powerful telescopes.

The recently discovered Asteroid 2000 ET70 is defined as a "potentially hazardous asteroid." It is two miles wide and has become a cause for concern among the US universities. Researchers are yet to dig in more information about this asteroid.

This dangerous asteroid had passed by earth before too, in 2012. It was found to be within 18 lunar distances, which is tremendously risky. This gigantic asteroid is capable of causing huge tidal waves and giant earthquakes leading to extinction of life forms.

Space researchers estimate this fist-shaped space rock to pass by Earth even more closely this time.

However, Nasa cleared the air regarding the claims of Earth being hit and destroyed by the fist-shaped space rock. "Nasa knows of no asteroid or comet currently on a collision course with Earth, so the probability of a major collision is quite small. In fact, as best as we can tell, no large object is likely to strike the Earth any time in the next several hundred years," stated a Nasa spokesperson according to a report by

"NASA has also made asteroid detection a top priority, and are developing strategies for identifying asteroids that could pose a risk to our planet," the spokesperson added.