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13.4 Billion Years Ago
Galaxies are Born
Expanding Universe
Verified. Empirically supported and rationally deduced.
Galaxies formed early in cosmic history, within a few hundred million years of the Big Bang.
Big Bang
Story
Did a Canadian discover the Big Bang’s afterglow 25 years early?
Scientific Discovery
Science advances when bold ideas and strange observations finally connect.
Big Bang
FAQ
The End of the Universe Explained
Expanding Universe
We do not know the ultimate fate of the universe, but the leading ideas are that it expands forever, collapses and starts over, or ends in something more extreme.
Big Bang
Article