Nasa says there is a small chance a recently spotted asteroid could collide with the Moon. Studying it can inform our understanding of the Earth's past and our future.

"The fall of Aguas Zarcas was huge news in the country. No other fireball was as widely reported and then recovered as stones ...

This event marked the largest fall of its kind since the Murchison meteorite in Australia in 1969, with a total of 27 ...