If the universe is expanding, then what is it expanding into, and what is it expanding from? Where's the edge of the universe ...

For centuries, humanity has pondered the ultimate fate of the universe. From theories of infinite expansion to the concept of a cosmic “big crunch,” scientists have long sought to understand how the ...

When you bake a loaf of bread or a batch of muffins, you put the dough into a pan. As the dough bakes in the oven, it expands into the baking pan. Any chocolate chips or blueberries in the muffin ...

Are we alone? It's one of the most basic questions of human existence. People have been trying to answer it for millennia in ...

(via Sabine Hossenfelder) Is the universe really infinite? Or could it close back on itself like a sphere? If it’s infinite, how can it expand? And is it true that there might be copies of you in it?

Doesn’t seem like much of a brainteaser, does it? Everyone knows the sky darkens at night because the sun sets … or more accurately, because our part of planet Earth rotates away from the sun, and ...

John, Paul, George and Ringo: These four men redefined the genre of rock 'n roll over 50 years ago. Even today, there remains a lasting obsession with The Beatles' personality, history and music.