Astronomers find compelling new evidence of the first stars formed after the Big Bang
A faint glow of helium, hanging near one of the earliest known galaxies, may be the clearest sign…
Dark Matter May Be Made of Black Holes From Another Universe
A recent cosmological model combines two of the most eccentric ideas in contemporary physics to explain the nature…
Gravity holds across cosmos, proving Newton and Einstein right
Scientists have tested gravity across some of the largest structures in the universe and found that it behaves…
The coldest ever hunt for dark matter has begun deep underground
Two kilometres underground near Sudbury, Ont., a machine has reached a temperature so low it barely seems real.…
Gravitational waves may be responsible for dark matter in the universe
Dark matter is thought to exist everywhere, wrapping around galaxies and helping to shape the largest things in…
New Theory Says We’ve Been Overcomplicating the Big Bang
One of the greatest unsolved problems in physics concerns unifying quantum mechanics and general relativity—two equally successful theories…
Groundbreaking new theory rewrites quantum view of the Big Bang
A Gravity Theory That Could Rewrite the Universe’s First Moments The first fraction of a second after the…
New Research Says the Big Bang May Be Linked to a “Deeper Theory of Gravity,” Challenging Past Ideas
Researchers say a new theory tackling the Big Bang could reshape how physicists think about the earliest moments…
Expanding catalog of black hole collisions is rewriting the history of the universe
Between May 2023 and January 2024, a global network of gravitational-wave detectors picked up 128 new cosmic signals,…
Scientists are rethinking how young galaxies formed their magnetic fields
Magnetic fields that stretch across thousands of light-years should take a very long time to organize. Standard dynamo…