Galaxy clusters are formed by a dense packing of many galaxies, making them the most massive structures in the universe.
New MarsDaily research explains how thin seasonal ice could have allowed ancient Martian lakes to remain liquid for decades, despite a cold early Mars climate ...
Morning Overview on MSN
This mystery object may be loaded with dark matter
A strange, starless cloud on the edge of a nearby galaxy is forcing astronomers to confront one of the biggest unknowns in ...
The Brighterside of News on MSN
Did an exploding comet end the age of the wooly mammoths? New evidence says yes
Almost 13,000 years ago, North America underwent drastic changes at a rapid rate. Mammoths, mastodons, giant ground sloths, ...
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