Hubble discovers first of star cluster's missing black holes

The massive globular star cluster Omega Centauri has puzzled astronomers for decades. It should be filled with black holes left behind by exploding stars, yet evidence for them is scarce. Now, astronomers using archival data ...

AI reveals hidden San Andreas Fault movements

When people think about geological faults, they usually think about earthquakes. Yet faults do not move only during earthquakes. Sometimes they slip silently, without generating noticeable shaking, releasing stress over hours ...

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