44 days to total solar eclipse. Saros cycle

We're counting down to the April 8, 2024, total solar eclipse, which will cross North America. All solar eclipses belong to a saros cycle. Join Deborah Byrd as she explains what that means.

Visible planets and night sky for February

Visible planets in February. See the smallest full moon of the year near the star Regulus, the brightest star in Leo the Lion. They’ll be visible through dawn.

Mars in 2024: Back in the morning sky

Mars is back in our morning sky. In fact, it's be visible in the morning sky for all of 2024 and it will reach opposition in January 2025.

Year’s latest solar noon happens on February 11

February 11 has 2024's latest solar noon by the clock. Solar noon is a natural event, the instant when the sun is at its highest point for the day.

The April 8 eclipse is part of Saros 139. What does that mean?

Enjoy the April 8 eclipse as you witness the 30th of 71 member eclipses in the illustrious procession known as Saros 139. Learn more here.

What is orbital resonance? A dance between heavenly bodies

What is orbital resonance? It's a precise dance between heavenly bodies when their orbits line up, causing them to have specific synchronicities.

Groundhog Day is February 2. Phil says early spring!

It was a chilly 39 degrees F (3.8 C) this morning in Punxsutawney, PA, when Phil predicted an early spring. Happy Groundhog Day!

Meteor shower guide 2024: Up next the April Lyrids

We're in a meteor shower drought until the April Lyrids. They'll be best overnight on April 21-22. Your 2024 meteor shower guide here.

Here’s what ‘habitable’ means to astronomers

When astronomers say a distant world is 'habitable,' what do they mean? Do they mean humans could live there? Do they mean we've discovered alien life?

1st of 5 new supermoons in a row starting today

We will have 5 new supermoons in a row, starting on January 11, 2024. The April 8, 2924, new supermoon will result in the April 8, 2024, total solar eclipse!