After January, the next federal holiday, President's Day/Washington's Birthday, will take place on Monday, Feb. 16 The ...

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

The New York Times bestseller list brings ‘The Last Ember’ and an Aerimander, who’d been thought extinct: Top sellers for the ...

Meteor showers, eclipses, a planetary parade and 13 full moons will be visible in the night sky in 2026. Here’s when to see them.

If you were to ask a group of dedicated amateur astronomers to list their favorite telescopic targets, few if any would ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

As the interstellar visitor 3I/ATLAS speeds away from our part of the universe, scientists are still engaged in a heated ...

One rock, as big as a football field, careening through space on an elliptical orbit that lasts four years, suddenly found itself one of the most observed bodies in our solar system, according to NASA ...

Limits shape our choices. With chatty Mercury squaring restrictive Saturn at 2:15 AM EST, we can meet delays with enduring ...

Interstellar comet 3I/ATLAS is reshaping planetary defence, with its unusual "anti-tail" and unexplained non-gravitational ...

The moon and sun share top billing in 2026. Kicking off the year’s cosmic wonders is the moon, drawing the first astronauts ...

Zipping toward Earth at around 20,000 miles per hour, the asteroid is due to make its closest approach on Tuesday.