Updates on your cosmos and world
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Planets typically form from the huge disks of dust and gas around newborn stars. These are what scientists call 1st-generation planets. But our universe evolves. So it should also contain 2nd-generation planets. A 2nd-generation planet is one that formed in…
Are there caves on the moon? We don’t know for sure yet, but evidence has been growing that they’re there. Now, NASA has announced a new mission to search for moon caves. It’s called GIMLI for Geophysical Instruments for Marius…
However, you won’t need the Big Dipper and Polaris to find Cassiopeia. That’s because Cassiopeia is very easy to pick out. Even thought it’s small and compact, it has a distinctive pattern. As you can see, it looks like the…
The researchers published their study in the peer-reviewed journal Nature Astronomy on October 13, 2026. The researchers said that a planetary system’s host star appears to determine how its planets form and evolve. The amount of material in the cloud of gas…
EarthSky Thank you, EarthSky community Galaxy NGC 7331 with supernova 2026aaiv Sun news: Solar wind disturbs our magnetic field Proxima Centauri is the closest star to our sun
Mars’ atmosphere is extremely thin. But the red planet does have clouds. And some of them can be … well, unusual. The weirdest cloud on Mars is a vast, elongated formation extending from an ancient volcano on Mars, called Arsia Mons.
As of October 11, 2026, NASA’s Perseverance rover has driven 28.10 miles (45.22 km) on Mars. That’s a new off-world driving record for total distance driven by any vehicle on the surface of another world. The previous record of 28.06 miles (45.16 kilometers) was held by…
The Double Cluster in Perseus consists of two open star clusters near each other on the sky’s dome. Amateur astronomers know them as h Persei and chi Persei. The two clusters reside in the northern part of the constellation Perseus…
The Smile mission released its first aurora footage on September 30, 2026. And it’s stunning! The mission is a collaboration of the European Space Agency and the Chinese Academy of Sciences. Its goal is to understand how the solar wind interacts with…
Did life once exist on Mars? Various clues in recent years have moved the answer toward “quite likely.” But we still don’t know for sure. Now there’s another possible clue: formaldehyde. Scientists said on October 1, 2026, that atmospheric formaldehyde could have…