If you could go right into the middle of the Sun, everything would be incredibly bright - and perhaps a little bit pink.
Your faithful friend's view of the world is different than yours, but maybe not in the way you imagine.
If gravity was half as strong, you could jump much higher.
Having longer top eyelashes can enhance our ability to express our feelings and communicate with others. But the most significant reason we have them is to protect our eyes.
Physicists can use bright, hot lasers to slow atoms down so much that they measure -459 degrees Fahrenheit.
How do people in a special airplane flight get to float like there is no gravity – just like astronauts? An aerospace engineer explains.
There are two types of time travel: going back in time and going forward in time. And remarkably, people can feel time at different rates - but usually don't notice it.
Imagine being able to detect a smell from more than a kilometre away. Dogs can sniff out things from a greater distance than that.
Australia is home to 20 of the 25 most venomous snakes in the world.
Burping is a normal way for the body to release swallowed air, and often happens after eating or drinking fizzy drinks!
Mmmmmmm. That smells delicious. Wait, how do you know that?
You might have already felt what it would be like inside a cloud made of condensed water vapor.
Epidemiologists focus on diseases among groups of people. They also study the spread of disease among animals.
Squirrels and chipmunks are distant cousins who have grown a little more apart from each other over millions of years.
Wind travels all over the world. Where does it come from, and why?
Research shows that looking at your dog makes you feel happy.
One anthropologist found 1,072 similar words for 'mom' and 'dad' in the world's languages. It turns out a mix of biology, culture and encouragement from parents explains this phenomenon.
The movies make it seem like someday we'll be able to make people and objects grow really big or shrink really small. Whether this will be possible comes down to the smallest of things.
Colossal squid have eyes the size of soccer balls, and can weigh up to 700kg. That's a lot of calamari!
The term 'Big Bang' might make you think of a massive explosion. Put the thought out of your head. Rather than an explosion, it was the start of everything in the universe.