It is tricky to count things that are moving around – but this handy maths technique can help, says Katie Steckles, whether ...

The discovery of 2024 PT5, a small, rocky body dubbed a "minimoon" during its discovery last year, hints at a hidden population of lunar fragments traveling near Earth.

In survey research, sampling errors occur because all samples are representative samples: a smaller group that stands in for the whole of your research population. It’s impossible to survey the ...

The New York Times/Siena College Poll has earned a reputation for accuracy and transparency. But as with any poll, there are limits to just how much you can derive.

Polyploidy, or whole-genome duplication (WGD), is a major mechanism of genome evolution across the tree of life and is ...

This gives us confidence that any sample can represent the whole population (see our Methods 101 explainer on random sampling). To further ensure that each survey reflects a balanced cross section of ...

This gave us a much larger sample to analyze, and made the estimates for Hispanics more precise. If we just stopped here, estimates for the total population would overrepresent Hispanics. Instead, we ...

A whole 'population' of minimoons may be lurking near Earth, researchers say. Nola Taylor Tillman. Sat, May 3, ... While a single sample is an oddity, two could be part of a crowd.

The discovery hints at a hidden population of lunar fragments traveling near Earth. "If there were only one object, that would be interesting but an outlier," Teddy Kareta, a planetary scientist ...