The story began about 4.6 billion years ago, when a monstrously giant cloud of dust and gas collapsed under its own gravity. Sun took the center stage and soon enough Earth and its neighborhood ...
Morning Overview on MSN
What scientists say about the unusual object moving through our solar system
Comet 3I/ATLAS, the third known interstellar object ever detected passing through our solar system, carries a chemical signature that does not match what astronomers typically see in comets born ...
Microscopic crystals extracted from meteorites could help settle a debate about the birth of our patch of the Milky Way.
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