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Are some modern earthquakes aftershocks from the 1800s?
Scientists examined modern-day earthquakes in 3 regions of North America and found that some are aftershocks from the 1800s.
November 20, 2023
Mars spacecraft fall silent as red planet goes behind sun
Mars passed behind the sun from Earth yesterday, November 18, 2023. Between now and early December, data exchange between Earth and Mars spacecraft is limited.
November 19, 2023
Wow! A rare waterspout over Sun Moon Lake, Taiwan
An EarthSky community member caught this rare waterspout over Sun Moon Lake on November 16, 2023. What a catch! Thank you, Bob!
November 17, 2023
The universe is expanding faster than theory predicts
The universe is expanding faster than theory predicts. Scientists are trying to come up with new models to explain what the standard model of cosmology can't.
November 16, 2023
Lost tool bag from spacewalk caught on video
NASA astronauts accidentally lost a tool bag during a spacewalk on November 2. Now, observers on the ground have caught the tool bag on video. See it here.
November 14, 2023
Sky trio for you, Southern Hemisphere friends
Here's a chart showing a delicate sky trio - as seen from Australia and New Zealand - on the evening of November 15, 2023. Look soon after sunset!
November 14, 2023
Are 2 huge blobs inside Earth due to an ancient impact?
A new study from an international team of researchers says that 2 huge blobs inside Earth came from the collision with the planet Theia billions of years ago.
November 13, 2023
Jupiter’s moon Ganymede is coated in salts and organics
NASA's Juno spacecraft has found salts and organics on Jupiter's largest moon, Ganymede. They suggest that watery brines came up to the surface from deep below.
November 12, 2023
SpaceX CRS-29 Dragon has docked with ISS
SpaceX launched the CRS-29 mission to the ISS from Florida at 1:28 UTC on November 10, 2023. The cargo is expected to arrive at the ISS on November 11.
November 11, 2023
Iceland braces for eruption of Fagradalsfjall volcano
Iceland declared a state of emergency on November 10, 2023, near Fagradalsfjall volcano, dormant for 800 years until 2021. Now it looks poised to erupt again.
November 11, 2023
