Theoretical physicists James Hartle and Stephen Hawking, for example, proposed that rather than having a strict beginning as we would understand it, the universe evolved out of a "no-boundary" state ...

"The singularity is the most mysterious and problematic part of a black hole. It's where our concepts of space and time ...

Most theories describe the singularity of black hole as a particularly brutal end, but a new study suggests this ...

A team of astronomers at the University of Milano-Bicocca has uncovered a colossal spiral galaxy that existed just 2 billion ...

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Rather than arising from a singularity, Kumar proposes that our universe might have emerged alongside a mirror-image “anti-universe,” where time runs in the opposite direction. A New Model for ...

Priyamvada Natarajan is an astrophysicist at Yale University who specializes in studying the invisible universe: black holes and dark matter. We recently discussed these enigmatic places with her.

"In general relativity, the interior of a black hole is like a contracting universe, where the singularity represents the moment when space itself collapses," Molina-Niñirola said.

Teleology is the idea that some processes in nature are directed toward a goal or an end. Today, it is commonly asserted that ...

The universe may have been born out of nothing, with an "anti-universe" twin where time runs in the opposite direction—rather than exploding from an infinitely small and dense point, or "singularity." ...