Gödel found a time-travel solution in General Relativity, revealing spacetime can loop on itself.
Tracing the violence, protests and arrests stemming from federal immigration sweeps across the U.S.
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.
Why are our teeth so sensitive? The answer originates in the armored skin of ancient fish.