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The ESPRESSO planet-hunter looks at Jupiter
For the 1st time, astronomers have used an instrument designed to study exoplanets - ESPRESSO, on the Very Large Telescope - to observe the planet Jupiter.
January 5, 2024
Media we love: Planet Earth, Past and Present
Learn about Michael Carroll's book Planet Earth, Past and Present. The richly illustrated book looks at history, habitability, our solar system and more.
January 4, 2024
Jupiter’s moon Io as you’ve never seen it
On December 30, 2023, the Juno spacecraft visited Jupiter's moon Io. It was the closest flyby of the volcanic moon in 20 years. See the images here.
January 3, 2024
Hubble watches spoke season in Saturn’s rings
NASA's Hubble telescope has recently observed spoke season in Saturn's rings. The spokes are ghostly transient features that appear and disappear seasonally.
January 3, 2024
Today in science: Luna 1, 1st spacecraft headed to moon
Some historians believe the Soviet spacecraft Luna 1 was supposed to hit the moon. It didn't. However, it was the first earthly craft to sweep past the moon.
January 2, 2024
Mystery in the Orion Nebula: Pairs of rogue planets?
The James Webb Space Telescope has discovered something unexpected in the Orion Nebula: pairs of unusual planet-like 'binary objects' drifting freely in space.
December 31, 2023
How many recipes for life in the universe?
Researchers in Wisconsin are searching for and testing new chemical recipes for the origin of life. Such recipes for life may be common in the universe.
December 31, 2023
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.
December 31, 2023
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
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
