This process gradually cleared the fog of neutral gas, allowing ultraviolet light to travel freely and making the universe transparent to light. ・The cosmic dawn set the stage for the large ...

"This process is like a cosmic CT scan, where we can look through different slices of cosmic history and track how matter clumped together at different epochs." ...

Using an observatory under construction deep beneath the Mediterranean Sea near Sicily, scientists have detected a ghostly ...

Researchers are trying to better understand the processes that allowed the universe to become fairly transparent. Mashable Light Speed Want more out-of-this world tech, space and science stories?

The Universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous -- and highly debated -- results had shown: The Universe is expanding faster than predicted ...

New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead suggesting giant voids in space are creating an illusion. When you ...

Astronomers have discovered a supermassive black hole-powered quasar that may have helped "turn on the lights" in the early universe The intense brightening and dimming of this quasar was observed ...

The universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous—and highly debated—results had shown: The universe is expanding faster than predicted ...