Astronomers have re-examined the biggest explosion ever seen, possibly the most massive explosion since the Big Bang, to ...

After NASA’s Fermi Gamma-ray Space Telescope and Swift Observatory spotted the BOAT, , an international team of astronomers ...

Step back to the very beginning of time, where the universe as we know it was born from an unimaginable explosion of space ...

How old is the universe? Learn more about the age of the Universe, from it's explosive beginnings to how we on Earth can ...

The term ‘Big Bang’ might make you think of a massive explosion. Put the thought out of your head. Rather than an explosion, it was the start of everything in the universe.

The first stars were not just lights in the dark, they were cosmic fire-starters that transformed the universe while seeding ...

It is a kind of afterglow of the Big Bang explosion, released when the cosmos was a mere 380,000 years old. The CMB provides a window into the hot, dense conditions at the beginning of the universe.

If you think about the Big Bang as an explosion, this tiny interval is when the explosion in volume occurred. Protons and neutrons began to form after about a microsecond (10⁻⁶ seconds).

REGINA BARBER, BYLINE: When I was a kid, I pictured the Big Bang as a big explosion, a moment in time. But cosmologists now think of the Big Bang as an era of time, lasting hundreds of thousands ...

This became known as the cosmic microwave background (CMB) radiation. It is a kind of afterglow of the Big Bang explosion, released when the cosmos was a mere 380,000 years old.