But scientists now say that there is a very real chance Earth will be hit by a 'city ... Some estimates suggest that the similarly sized Tunguska asteroid may have released the energy equivalent ...

"Asteroid impacts have taken place many times in Earth’s history. Our early human ancestors may have experienced some ... mix of life’s ingredients, with 14 of the 20 amino acids that life ...

In October 2020, a van-sized robotic spacecraft briefly touched down on the surface of Bennu, a 525-meter-wide asteroid ... include 14 of the 20 amino acids we also find in Earth's biological ...

A nuclear weapon could potentially be sent into space to deflect an asteroid heading Earth's way ... the chance of winning the lottery was one in 14 million. "So, we have to keep a close eye ...

Asteroid samples fetched by NASA hold ... The findings provide the strongest evidence yet that asteroids may have planted the seeds of life on Earth and that these ingredients were mingling ...