This low-frequency background hum of gravitational waves in our universe was originally attributed to a change, or a "phase transition," that occurred shortly after the Big Bang.New research ...

Understanding how the universe transitioned from darkness to the emergence of stars marks a critical shift known as Cosmic ...

Scientists are peering into the universe's mysterious Cosmic Dawn using the faint whispers of hydrogen radio waves emitted ...

Telescopes around the world have spotted a monster radio jet streaming from a quasar dating back to the first 1 billion years of the universe.

Many believe that a “first-order phase transition” right after the Big Bang occurred at the very start of time and that this triggered the first gravitational waves. Tech. Entertainment. Science.

Mysterious radio signals detected emanating from Antarctica's ice have left particle physicists baffled. The pulses were ...

SpaceX’s Starlink satellites were known to interfere with visible light astronomical observations, but many have now been ...

U.S. physicists Arno Penzias and Robert Wilson accidentally discovered this phenomenon, a faint afterglow from 380,000 years ...

Astronomers have finally tracked down missing "ordinary" matter, which they discovered hiding as gas spread out in the vast expanses between galaxies.

Most scientists think that everything that we know and experience began with the Big Bang, ... such as X-rays, infrared light, ultraviolet light, radio waves and microwaves.

The Big Bang: The moment when our universe — everything in existence — began....Right? Turns out, it's not quite that simple. Today, when scientists talk about the Big Bang, they mean a period ...

And today, we end the series with a bang - the Big Bang theory for how our universe began - you know, the one Stephen Hawking popularized. SUMMERS: All summer long, NPR's Short Wave podcast has ...