Nyx, a vast new stellar stream discovered in the vicinity of the Sun, named after the Greek goddess of the night, may provide the first indication that a dwarf galaxy had merged with the Milky Way disk. These stellar streams are thought to be globular clusters or dwarf galaxies that have been stretched out along its orbit by tidal forces before being completely disrupted.
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The Search for Axions – “Detection Will Have Profound Implications”
Will We Image Planet Nine Within the Next Decade? 
NASA Scientists: On What the Perseverance Mars’ Rocks Return Samples Could Tell Us
Physicist Who Denies that Dark Matter Exists to What if Other Human Species Hadn’t Died Out –Planet Earth Report
In Search of Dark Energy –Probing 11-Billion Years of Cosmic History
Primordial Object the Age of the Universe to Jupiter’s Metallic Oceans –Last Week’s Top 5 Space & Science Headlines
Moore’s Law– Homo Sapiens May be the Milky Way’s First Intelligent Civilization
Does Any Civilization in the Universe Survive Climate Change to Stephen Hawking’s ‘Lost’ Nobel Prize
Colossal Cosmic Cold Front –Survived Over 1/3 the Age of the Universe (Weekend Feature)
Black Hole Enigma –Does the Event Horizon Exist?