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.

Scientists had assumed that the ice in space was purely amorphous, but new experiments show it can have a partly crystalline ...

Strange cone-shaped rocks led scientists to the hidden remains of one of Earth’s oldest asteroid impacts. It could help us find fossil life on Mars.

The future of sustained space habitation depends on our ability to grow fresh food away from Earth. The revolutionary new ...

The Universe’s most abundant ice isn’t formless—it’s secretly laced with crystals. And that might change how we think about ...

Measuring shells and skeletons encased in thousands of limestone samples has revealed that the sheer amount of living stuff ...

Scientists from UCL and the University of Cambridge have revealed that "space ice"—long thought to be completely ...

How did Earth, alone among the solar system's rocky planets, become the home for life? How, among all this frigid ...

Water frozen in the depths of space has long been considered a shapeless, frozen fog. For decades, scientists believed it ...

Space ice” contains tiny crystals and is not, as previously assumed, a completely disordered material like liquid water, ...

"Space ice" contains tiny crystals and is not a completely disordered material like liquid water, as previously assumed, ...

Ancient oceans with phosphorus-rich waters may have supported some of Earth’s earliest microbial life, according to a new ...