Space. It's really, really big. How big is it? Well, according to astronomers, the observable universe is around 92 billion light-years in diameter, but that's all we can see (hence the word ...

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 ...

Here’s what you’ll learn when you read this story: In other words, we’ve come a long way in our collective attempt to understand the nature of our universe. But one of the biggest, most enigmatic ...

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, ...

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 ...

For decades, scientists have tried to measure how fast the universe is expanding. This expansion rate is known as the Hubble ...

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 ...

Here’s what you’ll learn when you read this story: While scientists are steadily gathering data about both the inflationary and dark energy eras of the universe, we really only know one thing about ...