PBS Space Time
We’ve Been Looking for Aliens for 70 Years. We've Been Doing It Wrong All Along
Are there no alien signals to find... or do we need to update how we search for them?
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We Thought Black Holes Ended in Singularities. They Might End In a Frozen Big Bang
Physicists hope Planck stars can save us from black hole singularities and paradoxes.
PBS Space Time
We Found Galaxies Too Old for the Universe
Galaxies older than the universe? Webb's findings keep defying our best explanations.
PBS Space Time
Earth’s Core Should Be Impossible. A New State of Matter Explains It.
Earth's core: solid or liquid? Yes — we know more about distant galaxies than our own interior.
PBS Space Time
Something Disturbing Happens When You Solve Einstein's Equations This Way
Gödel found a time-travel solution in General Relativity, revealing spacetime can loop on itself.