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.
Gödel found a time-travel solution in General Relativity, revealing spacetime can loop on itself.
Tardigrades can survive almost anything—even most of Mars. But one Martian chemical stops even them.
The Higgs boson may open a portal to hidden particles that could explain dark matter.
The universe expands faster. “Dark energy” may not be constant after all.
There’s a new generation of experiments that may unlock the gravity particle.