The Big Bang explains a great deal, but some of its deepest questions remain unanswered. Future discoveries could change far more of the story than many people realize.

Primordial helium accounted for 24.58% of the mass of matter after the Big Bang. The new measurement is consistent with the theory and with the three types of neutrinos.

NASA’s James Webb Space Telescope has revealed an ancient galaxy cluster with an unexpectedly dense concentration of dark ...

A flash of radio waves from a young galaxy 3 billion years after the Big Bang is lighting up 80% of the universe’s history.

A white dwarf’s unusual chemistry points to a giant planet containing material shed during the star’s death. If confirmed, the system would provide the first evidence of a second-generation planet ...

IceCube looks for high energy neutrinos from space. It joins the ranks of complementary experiments that study neutrinos ...

Scientists first predicted them about 20 years ago, and previous studies have observed them alongside superconductivity in other metals. The new research, published in the Proceedings of the National ...

Episodic lava fountaining is rare globally, with only three occurrences from Kīlauea (Hawaii) since 1823. Beginning in ...

The following is a chronology of major events leading to the fifth launch of South Korea's homegrown space rocket Nuri from ...

Physicists have found striking evidence for an unusual form of superconducting behavior in uranium ditelluride, where electron pairs organize into rippling patterns called pair density waves. Even ...

An international group of astronomers has obtained the first evidence that new planets can form around Sun-like stars even ...