Most scientists believe that about 13.82 billion years ago the Universe exploded into existence in what we call the Big Bang. Since then, it has evolved into the place we see today — and it’s still growing!

Most scientists believe that about 13.82 billion years ago the Universe exploded into existence in what we call the Big Bang. Since then, it has evolved into the place we see today — and it’s still growing!
It is time for Cassini to say goodbye! But before it ends its mission, it will have a grand finale for us.
Did you know there are several types of light? Each one reveals new secrets about the world around us, but only one is visible to our eyes.
Luckily, we’ve designed telescopes that can see the Universe in “invisible” light.
Newborn stars are surrounded by “cosmic fog”. Astronomers expected that, the hot stars would “burn” away the cosmic fog. But it doesn’t!