A harmless asteroid will whiz past Earth Saturday. Here's how to spot it
An asteroid will whiz harmlessly past Earth this weekend. With the right equipment and timing, you just might spot it.
An asteroid will whiz harmlessly past Earth this weekend. With the right equipment and timing, you just might spot it.
Space Exploration
Jun 28, 2024
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291
Spring is here—officially, at least. The vernal equinox arrives on Tuesday, marking the start of the spring season for the Northern Hemisphere.
Planetary Sciences
Mar 18, 2024
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28
Leap year. It's a delight for the calendar and math nerds among us. So how did it all begin and why?
Planetary Sciences
Feb 25, 2024
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This year is a leap year. Many people will know this means that February gets an extra day—a total of 29, as opposed to 28—but often do not know why. Space experts Dr. Minjae Kim and Dr. James McCormac shed light on the ...
Astronomy
Feb 21, 2024
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23
Contrary to how it sounds, "year-round" school usually doesn't mean students going to school throughout the year—or for more days than other students. Often it just means switching up the calendar so that there's not such ...
Social Sciences
Aug 30, 2023
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22
The popularity of digital calendars over paper calendars has grown significantly due to instant access to appointments, meetings and dates. But which type of calendar leads to higher efficiency?
Social Sciences
Jul 6, 2023
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A pair of anthropologists at Tulane University has solved the mystery of the Mayan 819-day count, a type of ancient Mesoamerican calendar system. In their paper published in the journal Ancient Mesoamerica, John Linden and ...
Stonehenge is an astonishingly complex monument, which attracts attention mostly for its spectacular megalithic circle and "horseshoe," built around 2600 BC.
Archaeology
Mar 23, 2023
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If you lift your eyes to the sky Friday night, you can catch the first full moon of 2023—the wolf moon.
Space Exploration
Jan 9, 2023
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63
A trio of researchers from the Research Center of the Slovenian Academy of Sciences and Arts, the University of Arizona, and Colgate University has found examples of Mesoamerican structures aligned for use as a 260-day calendar, ...