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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.
December 29, 2023
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.
December 29, 2023
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.
December 29, 2023
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.
December 28, 2023
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.
December 27, 2023
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.
December 26, 2023
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.
December 22, 2023
Tiny brown dwarf is smallest found so far
NASA's Webb space telescope has found a tiny brown dwarf that is the smallest free-floating brown dwarf ever seen. Scientists aren't quite sure how it formed.
December 22, 2023
Rare bird is half-male, half-female. See the video
See the 1st video of a rare bird - a half-male, half-female honeycreeper - along with photos. And learn about this condition, called bilateral gynandromorphism.
December 20, 2023
New Uranus images showcase rings, moons … and galaxies
The James Webb Space Telescope has taken new images of Uranus. Get a better look at the planet, its rings, moons, and the distant background galaxies.
December 20, 2023
