The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study ...
Quantum theory and Einstein's theory of general relativity are two of the greatest successes in modern physics. Each works ...
There’s still a lot we don’t know about dark matter, or the “missing” mass supposedly constituting around 85% of the universe. Physicists have good reason to believe it’s out there. New research ...
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