Martin Luther King Day is still a federal holiday, but President Donald Trump announced a major change in 2026. Here's what ...

The summer solstice marks the start of astronomical summer and the longest day of the year. Here we explore when the summer ...

Ash Wednesday can take place anywhere from Feb. 4 through March 10, and this year, it falls on the earlier side.

Find out when Presidents Day 2026 will be observed in the United States and what the holiday means. Presidents Day falls on ...

The next full moon will be on Sunday, Feb. 1. 5:09 p.m. (EST). It will officially reach its full moon phase at 5:09 p.m. EST ...

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...