A distant supernova exposed elements from a star’s core. The result reshapes ideas of how massive stars evolve. According to long-standing theory, stars are built in layers like onions, with each ...

Astronomers examining data from the James Webb Space Telescope say they've spotted what might be the oldest black hole in the universe, born less than a second after the Big Bang. Their findings, ...

The Big Bang is often described as the explosive birth of the universe—a singular moment when space, time and matter sprang into existence. But what if this was not the beginning at all? What if our ...

The early universe, fresh from the Big Bang, was a hot, dense soup of simple elements: hydrogen, helium, and trace amounts of lithium. But within a cosmic blink—just 100 to 200 million years after the ...

"We were surprised that water could actually form so early on — even before the birth of the first galaxies." When did life as we know it first emerge in the universe? We don’t know for sure, but the ...

A new Big Bang model does away with speculative elements, putting gravitational waves at the forefront of the creation of ...

Maddy has a degree in biochemistry from the University of York and specializes in reporting on health, medicine, and genetics.

You've heard of how mighty supernovas are, or of the ungodly amounts of energy released by gamma ray bursts. But astronomers have just discovered a type of cosmic blast that puts all those to shame.

Primordial black holes that formed during the earliest moments of the universe could have swollen quickly to supermassive sizes, complex cosmological simulations have revealed. The discovery could ...