Astronomers have spotted a surprising signature of oxygen in a faint galaxy that dates back to the universe’s infancy—when it ...

For the first time, scientists have captured the clearest and most detailed image of the cosmic microwave background ...

One of the Holy Grails in cosmology is a look back at the earliest epochs of cosmic history. Unfortunately, the universe's ...

People talk about the universe starting with a Big Bang, but how could we possibly ... telescope shows the whole sky filled with a glow, day and night. This glow is called the Cosmic Microwave ...

Catching these faint echoes of the big bang is a major goal of NASA’s next generation of space astronomy missions, a plan the agency has tagged “Beyond Einstein.” Beyond Einstein?

But within the cooling glow, the first neutral hydrogen atoms were condensing out of the primordial quark-gluon soup. A hundred thousand years after the Big Bang, helium hydride formed the first ...

There would be no darkness between stars in the night sky and the sky would have a uniform glow with the similar wavelengths of light from stars in any directions. The Big Bang and subsequent ...

Around the same time, Robert Dicke (1916?997) at nearby Princeton University had been pursuing theories about the big bang. He had elaborated on existing theory to suggest that if there had been a ...

NASA's SPHEREx telescope launched aboard a SpaceX rocket to map the entire sky in infrared light, capturing the cosmic glow of galaxies.