Add Yahoo as a preferred source to see more of our stories on Google. CRASH Clock: A satellite collision in low-Earth orbit could be just 4 days away As low-Earth orbit becomes more crowded, the risk ...

New research examines how smaller satellites in lower orbits could reduce collision risks and debris generation while maintaining high-resolution Earth observation capabilities.

An astronomer at the Massachusetts Institute of Technology in Cambridge is tracking a huge asteroid that could collide with Earth in a few years. Dr. Richard Binzel is a leading astronomer and ...

Earth orbit is becoming increasingly crowded. With more than 11,000 active satellites and many thousands more expected in the coming years, as well as more than 1.2 million pieces of space debris ...

Earth is so far the only known planet on which life exists—with liquid water and a stable atmosphere. However, the conditions were not conducive to life when it formed. The gas-dust cloud from which ...

An asteroid's chances of hitting the Earth in 2032 have risen again to over 3%. Experts say not to worry for now, as chances the asteroid will miss the Earth stand at nearly 97%. Astronomers now say a ...