The cosmological constant is the mathematical description of the energy that drives the ever-accelerating expansion of the ...

One issue is that when scientists calculate what the Hubble constant should be, it doesn’t quite match observations of the ...

Scientists propose seven-dimensional universe model where black holes leave tiny remnants that preserve information and could ...

‘Cosmic fossils’ left by black holes created before the big bang may still shape the universe - Universe may have been ...

Interest in the multiverse theory, suggesting that our universe is just one of many, spiked following the release of the movie "Everything Everywhere All At Once." The film follows Evelyn Wang on her ...

Relax, it’s only happening in theoretical physics—at least for now.

Astrophysicists have presumed for nearly a century that the universe will just keep expanding for all eternity, driven by an invisible force called dark energy. But new data suggest that this is ...

Scientists studying a mysterious effect called cosmic birefringence—a subtle twist in the polarization of the universe’s oldest light—have developed a new way to reduce uncertainty in how it’s ...

Think of the Strings as the General Relativity of Einstein, the Electromagnetic Equations of Maxwell, and the Quantum ...

The particles that are in an atom: protons, neutrons and electrons The particles that are in protons and neutrons: quarks The four fundamental forces: gravity, electromagnetism, the strong force and ...

Cepheid variable star RS Puppis pulses with a regular period. (NASA, ESA, Hubble Heritage Team; Howard Bond/STScI & Penn ...

Astronomy is, in essence, an exercise in inference. We cannot touch the stars, nor scoop up galaxies in a lab. Instead, we decipher the universe through its light — its color, intensity, rhythm and ...