A common question that arises when considering the results from a well-designed sampling programme for a rare or invasive species is: 'Sampling has failed to detect a species that could have been ...

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 ...

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 ...

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.