Nearly 50 years ago, physicists floated a bold idea: our universe might be stuck in a false vacuum. This state feels stable, ...

A new quantum recipe for black holes could be the first step toward a theory of "quantum gravity", the "holy grail" of ...

The arrow of time can teach us more about how the universe began – and how it will end, says quantum columnist Karmela ...

A groundbreaking new survey from China’s LHAASO observatory has unveiled powerful ultrahigh-energy gamma-ray emissions across ...

The Big Bang may mark an end—not the start—of a previous universe's aeon. Penrose's theory sees the universe as an eternal ...

Silver-110’s decay reveals a promising path to measure antineutrino mass. New data could reshape future neutrino studies.

Gravitational waves stretch and squeeze the fabric of space and time itself. When space/time is squeezed, pulsar pulses ...

For years, astronomers have been working to piece together the story of our universe, but the critical early chapters ...

Nearly a decade ago, a detector searching for ghostly cosmic particles found two anomalous signals in Antarctic ice. But ...

The invisible dark matter is one of the universe's biggest mysteries, and its existence is confirmed only by the ...

This is the first time an object in its class has been detected in X-rays. The discovery could lead to a better understanding ...

Scientists are trying to solve a decade-long mystery by determining the identity of anomalous signals detected from below ice in Antarctica.