When scientists spot an asteroid whose trajectory might take it close to Earth, they monitor it frequently and calculate the probability that it might collide with our planet.

This paper shows how to do discrete probability analysis with the new BA 11 PLUS Professional financial calculator. Textbooks in Business Finance do an excellent job illustrating how to do basic time ...

This paper proposes a simple approximation to the normal tail probability and its inverse. Its accuracy is quite sufficient for many practical cases. Oxford University Press is a department of the ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights I was preparing for my early morning class back in ...

I was preparing for my early morning class back in January 2025 when I received a notice regarding an asteroid called 2024 YR4. It said the probability it could hit Earth was unusually high. As ...