WASHINGTON, March 11 (Reuters) - A supernova - the explosion marking the end of a massive star's life - is one of the brightest cosmic events, usually about a billion times more luminous than the sun.

Cracking a 15 year physics mystery, researchers measured the precise size of a proton. In A Nutshell A team in Germany used an unprecedentedly precise laser measurement of hydrogen to pin down the ...

A cosmic mystery surrounding the universe's most dazzling explosions, superluminous supernovas, appears to have been solved by scientists studying a colossal stellar event a billion light-years from ...

What can a 6-millimeter camera find inside a monument that has stood for about 4,500 years? Inside the Great Pyramid of Khufu, it found a sealed corridor above the main entrance, a narrow ...

For centuries, scientists have tried to answer the question, “What’s the Earth made of?” While drilling projects and geological studies have revealed clues about the planet’s crust, the deeper layers ...

Quantum theory in chemistry explains the behavior of atoms and molecules at the smallest scales, which is essential for understanding chemical reactions and properties. It provides the framework for ...

Astronomers have found that both the core of our Milky Way and the earliest proto-galaxies in the universe share a surprising ...

Physicists have discovered a surprising new “Island of Inversion” in a place no one expected: among nuclei where the number ...

Billions of light years away in a remote part of the universe, two neutron stars – the ultradense remnants of dead stars – collided. The catastropic cosmic event sent light and particles, including a ...

A fungus that evolved at Chernobyl and is now grown on the ISS, Cladosporium sphaerospermum, slightly reduced radiation levels.