Learn how to determine the observed intensity of a supernova using core physics ideas like luminosity, distance, and the inverse-square law. This video walks through the reasoning and calculations ...

Stephanie began as a PCMag reporter in May 2012. She moved to New York City from Frederick, Md., where she worked for four years as a multimedia reporter at the second-largest daily newspaper in ...

Costco rarely sets trends. I remember walking its aisles years ago and sampling new items, but noticed the chain was rarely ...

Citizen science platforms including iNaturalist are leading to major new discoveries and are becoming crucial to the work of scientists. How do we ...