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 ...

SPHEREx is scanning the entire sky in 102 infrared colors, beaming weekly data to a public archive so scientists and citizen ...

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

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

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 ...

Micrometeorites raining down from space may have provided the perfect surfaces for the first primitive cells to form on Earth ...

A discovery made by a NASA rover has offered a clue for this mystery, new research said Wednesday, suggesting that while ...

In a groundbreaking discovery, astronomers have detected a young star system, HD 100453, awash in alcohol, approximately 330 light-years away. This pr ...

Clouds play an important role in regulating the climate. Bright ones at low altitudes generally reflect solar energy away, ...