They were born in the hearts of stars before being scattered into the Universe during their explosive deaths. A team of American and Canadian researchers recently shed light on the complex journey ...
The universe began with a vast explosion that generated ... because they distribute all the common elements such as oxygen, carbon, nitrogen, calcium, and iron into interstellar space.
Water may have formed less than 200 million years after the Big Bang, suggesting some conditions for life existed far earlier than previously thought.