Chemical rockets have powered humanity’s journey into space for decades. Their explosive thrust is essential for launch, but in the vacuum of space, these systems quickly burn through fuel, making ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

In the almost three years since NASA proved that it could successfully deflect an asteroid, we’ve learned a lot about these ...

When NASA's DART mission crashed into the asteroid Dimorphos, the first stage of the impact saw the spacecraft's solar panels ...

However, new research has shown this potentially "water ice-rich" visitor could be even more extraordinary than initially ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

Ever been late because you misread a clock? Sometimes, the "clocks" geologists use to date events can also be misread.