The Universe’s most abundant ice isn’t formless—it’s secretly laced with crystals. And that might change how we think about ...

Star Wars is a vast and wonderful universe that continues to expand through the decades. From cartoons, games, and ...

Our universe is full of strange and inhospitable worlds, many of which are so terrifying, they would be a nightmare for any ...

But if you do the math, that means for every star-orbiting planet like ours in the galaxy, there may be up to 100,000 planets that not only don’t orbit a star now, but most likely never did ...

Throughout the universe, trapped in the halos of dark matter, there is enough planet-making material to create at least 1,000,000,000,000,000,000,000 more Earth-like planets. A billion trillion of ...

On Earth, diamonds are considered precious partly because they're fairly rare: The planet's diamond content is about .001%. But on other planets in the universe, diamonds may be as common as ...

Earth is round, but are there any planets in the universe that aren't? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works .

How many planets are in the universe? One of the earliest lessons you learn in school is that our Solar System is made up of eight planets – plus Pluto. We live in just one of thousands of star ...

Just months after the discovery of the first planet orbiting two stars, scientists have found two more such planets, hinting that the universe might hold millions of these strange systems.