The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...

However we do not have to worry about the universe-obliterating Big Rip yet because if it happens it would happen in about 22 billion years.

“The cosmos is also within us, we're made of star-stuff. We are a way for the cosmos to know itself.” - Carl Sagan Compared to the Sun, how big is the Earth? What is a scale model and how does it help ...

The Big Bang Theory remains the most accepted explanation for how the universe began. This documentary explores the science, ...

Modern cosmology reveals a universe expanding uniformly without a spatial center or edge. The Big Bang wasn't a localized ...

Scientists propose that gravitational waves shaped the universe. Their model challenges inflation theory. How exactly did the ...

If you think a galaxy is big, compare it to the size of the universe: it's just a tiny dot which, together with a huge number ...

Primordial magnetic fields, billions of times weaker than a fridge magnet, may have left lasting imprints on the Universe.