Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of ...

Recent James Webb Space Telescope data confirms a decade-old theory that the universe's earliest supermassive black holes ...

Will two rare supernovas finally tell us how fast the universe is expanding? Perhaps, but we'll have to wait for it for them ...

Scientists are now certain that James Webb will break every such record until the earliest observable light is eventually ...

We experience the flow of time because it’s a natural outcome of the basic laws of physics. But we may need to build a whole ...

For more than a century, physics has treated space and time as the smooth stage on which the universe unfolds, a flexible fabric that bends but never breaks. A new wave of theories is now challenging ...

A decades-old idea is quietly regaining attention in theoretical physics: ancient structures embedded in the universe’s ...

"These results from the Dark Energy Survey shine new light on our understanding of the universe and its expansion." ...

Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a misunderstanding of work by physicists Albert Einstein and Nathan Rosen. In 1935, ...

By studying ripples in space-time, physicists are testing wheather dark energy might stem from hidden dimensions, elusive ...

An extremely early Type II supernova explosion, named after the Titan goddess of dawn in Greek mythology, occurred just 1 ...

How many electrons are there in the Universe? One bold theory suggests that there could only be one, although this theory has ...