Mode = the most frequently occurring number in the set. (Note: if there are multiple most frequently occurring numbers in a dataset, the mode is not unique. All modes in this puzzle are unique) Range ...

The six-year results from the Dark Energy Survey highlight unresolved tensions in standard cosmological theory ...

Hilke Schellmann is an Emmy Award-winning reporter and as associate professor of journalism at New York University.

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

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This open-source agent installs software, makes calls and runs your digital life—redefining what “digital assistants” are ...

Astronomers have traced the origin point of a jet of material that is thousands of light-years long emanating from the supermassive black hole M87* ...

An exoplanet called HD 137010 b might be the closest thing astronomers have ever seen to “Earth 2.0.” The trouble is that ...

Some 150 million years ago sauropods dramatically shaped the dinosaur ecosystem in what is now the western U.S., according to a new study ...

In the latest bout of winter weather, a bomb cyclone could bring blizzard conditions to the Carolinas while freezing ...

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The venerable Hubble observatory is going strong despite its decades in space and the advent of next-generation successors ...