The accelerating expansion of the Universe, first observed in 1998, remains one of the most profound mysteries in modern ...

Researchers studied how the universe’s structure changed over time. They found that the universe is less clumpy than expected ...

A Precision Test of General Relativity. While Einstein’s famous theory of general relativity accurately describes the motion of celestial bodies in our solar system, less is kno ...

In an article published in Physical Review Letters on Thursday, scientists carried out an innovative study testing the ...

Marcus Chown’s “A Crack in Everything” is a journey through space and time with the people studying one of the most enigmatic ...

The size and spin of black holes can reveal how and where they were born, and gravitational waves offer a way to decode this ...

A new analysis of M87*, the first black hole imaged by humanity, has revealed turbulence in the matter around it, which this ...

By incorporating general relativistic effects into complexity theory through a gravitational correction factor ... such as Gödel’s incompleteness theorems and Einstein’s relativity, suggesting a ...

Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of ...

"As yet, nobody has managed to understand what gives rise to this strange phenomenon, and explaining dark energy remains one ...