The panspermia theory states that the “seeds” of life are present throughout the universe and can be propagated through interstellar space or even intergalactic space through natural means. A growing number of people are even subscribing to the hypothesis that life on Earth may have begun from the “seeds” carried to our planet by ...

While the theory remains widely accepted across the scientific spectrum, a few alternative explanations — such as steady-state Universe and eternal inflation, have gained attraction over the years. Below, we have discussed seven of the most popular alternatives of the Big Bang, explaining the origin of the Universe. 8. Quantum Fluctuation Theory

Here are some of the strangest ideas, from a braneworld scenario that involves the universe floating in a higher dimensional space, to the "Big Splat" that describes such a brane colliding with...

Some of the best minds in history - both philosophers and scientists - have applied themselves to an understanding of just what the universe is and where it came from, suggesting in the process a bewildering variety of theories and ideas, from the Cosmic Egg to the Big Bang and beyond.

Basically, the big bang theory says the universe came from a singular solid mass. At one instant, everything began to expand. Matter and energy flew throughout the blackness to create the universe.