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.

Ito, H., Yasuda, N., and Matsumoto, M. 1985. The probability of parentage exclusion based on restriction fragment length polymorphisms.Jpn. J. Human Genet. 30: 261–269.

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Parsimony methods are often used to map a character's evolution on a phylogenetic tree by reconstructing the ancestral states at interior nodes of the tree. Although the statistical behavior of ...

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 have been studying planetary defense, particularly being part of past, ongoing, and future small body missions. I was part of the NASA/DART mission. I am currently part of the NASA/Lucy mission and ...

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 ...