We have no idea why this happens -- but we do have hypotheses.
Finally, something to put in my lunar glass of whisky.
A modern-day Icarus -- but this one won't get burned.
The findings might help piece together the evolution of the universe.
Something as simple as a snowflake melting can be very difficult to understand.
Space exploration made easy.
It's a trove of valuable data, but we're still just scratching the surface.
How were they able to hide for so long?
The ancients often got it wrong about science -- but they weren't that far off.
The site has had an immense role to play in our understanding of the universe.
Citizen scientists found five "musical" exoplanet.
Supermassive black holes slowly eject cold gas.
It's not exactly accurate, but it's a dazzling display.
Mars might be abundant in water. The problem is its trapped in minerals inside the planet's crust.
The findings could have important consequences for the prospect of finding alien life there.
He was one of the pioneers of studying solar activity.
Building a moonbase in a lava tube. Doesn't that sound awesome?
You can explore the solar system from the comfort of your home.
A ninth planet 10 times bigger than Earth might be lurking far away within the solar system.