Best sky scenes of 2024: What not to miss!

Check out the best sky scenes of 2024! A total solar eclipse crosses North America, planets have close pairings, a comet may shine bright and more!

Chart showing Mars oppositions from 2018 to 2033

Here's why Mars oppositions are sometimes awesome. 2022 is a good year for Mars, but 2020 was even better. The next great Mars opposition is in 2033.

EarthSky’s top photos from 2023. See them here!

Enjoy EarthSky’s top photos from 2023. All these photos were taken by members of the EarthSky community from all around the globe. See them here!

Perseverance rover reveals history of ancient habitable lake

NASA's Perseverance rover has collected 23 samples of rock so far in Jezero Crater on Mars. Analysis shows the ancient lake in the crater was quite habitable.

X-37B spaceplane launched atop SpaceX Falcon Heavy

The Space Force X-37B spaceplane launched Thursday, December 28, 2023. The reusable craft is carrying experiments and test equipment on its latest mission.

SpaceX wraps up Starlink launches for 2023

SpaceX’s final Starlink launch of 2023 successfully took flight on December 29. Learn more about it, including how to watch a recap, here.

Aries the Ram: Here’s your constellation

How to see Aries the Ram in your night sky with its bright star Hamal, plus info about this constellation in astronomy history and mythology.

See the top 10 stories of 2023 from EarthSky

The top 10 stories of 2023 is a review of what we’ve learned in the past year from our home planet, Earth, and about our vast universe.

The day the solar wind disappeared at Mars

In December 2023, at the American Geophysical Union meeting in San Francisco, scientists discussed a rare "disappearance" of the solar wind at the planet Mars.

Wow! Polar stratospheric clouds spotted across the UK

Polar stratospheric clouds - also called nacreous clouds or mother-of-pearl clouds - have been putting on a show this week. Check out these beautiful images.