If you thought Watches and Wonders couldn't get any bigger, think again. Geneva 2025 delivered a record-breaking spectacle that even the most jaded. Check out our stories from Events, Watches & stay ...

The Earth is predicted to increase its rotation speed in July and August, once again bucking the trend of a slower rotation ...

The next black moon will occur on Aug. 23, 2025, as per the second definition of the third new moon in a season of four new moons.

When most people refer to the first day of summer, they mean astronomical summer—the summer solstice. In contrast, ...

After a four-year hiatus, February 29 gets it fleeting, 24-hours of fame on Monday - before being banished from the pages of our calendars again until 2020, when the next leap year occurs.

Is 2024 a leap year? Yes, 2024 is a leap year. Who created leap year? According to History.com, the Romans used a 23-day intercalary month called Mercedonius to align their calendar with the solar ...

“The astronomical seasons vary slightly each year because the Earth’s orbit takes just a bit longer than 365 days,” Saffell said. “A leap day/leap year helps to balance out that difference.” ...

A leap year is a year with an extra day added to the calendar — also known as leap day — on the29th day of February. The purpose is to keep it aligned with the Earth's orbit around the sun.

Choose from Leap Year Calendar stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else.

August starts this Thursday and has 31 days. There are a couple of easy methods to remember this without relying on a newspaper article. You use the poem: "30 days hath September / April, June and ...