According to a new theory, our universe developed from a “pre-inflationary multiverse” made of particles in quantum superposition.

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers have long estimated that ordinary matter – basically, anything other than dark matter – makes up only a fraction of ...

A new study has estimated the universe’s possible age by using precise data on stars.

Astronomers have discovered the oldest living star in the universe -- and, remarkably, it's situated right on our galactic doorstep, just 6,000 light years away, well within the Milky Way. The star, ...

Ordinary matter – basically, anything other than dark matter – makes up about 15% of all matter. But half of it has long been missing. Powerful bursts of radio waves emanating from 69 locations in the ...

Astronomers have long estimated that ordinary matter – basically, anything other than dark matter – makes up only a fraction of the known universe. The conclusion stemmed from a complex calculation ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

How many atoms are there in the observable universe? Current estimates point to a number we would write as 1 followed by 80 zeroes, or 10 80. If you peered inside each of these atoms and counted their ...