Sound as we know it does not exist in space. That’s because, on Earth, sound mainly travels to our ears via vibrating air molecules. Because space is a vacuum, meaning there is no matter at all ...

An curved arrow pointing right. Space is so unfathomably large and so unbelievably weird, that it can sometimes be difficult to convey basic facts. For example, you can fit all of our solar system ...

Since then,the company has continued to impress, launching unmanned cargo vehicles to the International Space Station (ISS) and winning a contract from NASA to fly astronauts as well, as early as ...

"We're really talking about something which is, in the long term, like rebuilding the internet in space," Musk said during a speech in Seattle when revealing the project. SpaceX's satellite ...

As we explore the amazing realities of this space station, get ready to learn some of the most astounding facts about the ISS. NASA’s International Space Station reveals 15 surprising truths ...

Ever wondered what happens if you start crying in space? Read on. What happens when you strike a match in zero gravity? The first thing Neil would like to make clear is this - it isn’t advisable ...

There's a lot hiding in the universe's dark corners. Interstellar dust clouds and inky stretches of deep space can appear dull to ordinary telescopes. But to a car-size telescope 26 million miles ...

They delved into the telescope's guts during long space walks and replaced parts that the original designers never thought they'd need to. Installation of a new power-control unit forced an ...