The model questions the popular inflation theory, which most experts believe was facilitated after the universe's birth. The ...

Legendary physicist Albert Einstein was a thinker ahead of his time. Born March 14, 1879, Einstein entered a world where the dwarf planet Pluto had yet to be discovered, and the idea of spaceflight ...

Researchers have unveiled a new model for the universe’s birth that replaces cosmic inflation with gravitational waves as the ...

Einstein was a great thinker who made plenty of mistakes—errors that sometimes led to more meaningful discoveries in physics, ...

Evidence of this quantum layer may be coming soon. Here’s what you’ll learn in this story: Physicists are still puzzling over ...

Dark-energy evidence suggests the universe will end in a “big crunch” roughly 20 billion years from now. The universe is nearing the halfway point of what may be a 33-billion-year lifespan, according ...

The James Webb Space Telescope's latest image shows eight spectacular examples of gravitational lensing, a phenomenon that ...

The light-beam rider -- Childhood, 1879-1896 -- The Zurich Polytechnic, 1896-1900 -- The lovers, 1900-1904 -- The miracle year: quanta and molecules, 1905 -- Special relativity, 1905 -- The happiest ...

NOVA introduces string theory and Albert Einstein's dream of unifying the forces that underlie all phenomena in the physical universe. reviews the quest for unification, the search for a single theory ...

A new photograph from the Hubble Space Telescope shows a stunning “Einstein Ring” billions of light-years from Earth — a phenomenon named after Albert Einstein, who predicted that gravity could bend ...

NOVA introduces string theory and Albert Einstein's dream of unifying the forces that underlie all phenomena in the physical universe. reviews the quest for unification, the search for a single theory ...