How Could We Make It Work? Envision the ambitious project of transforming our planet into a self-sustaining interstellar ...

"We're trying to encounter an astronomical object that streaks through our solar system just once and we don’t want to miss ...

The reusable spacecraft can reach speeds exceeding 2,000 mph and carries passengers in a capsule with large windows. The ...

This galaxy's central black hole appears to be a "messy eater" as its interstellar scraps are strewn into space.

There is a large diversity in the chemical composition of astronomical objects such as planets, comets, circumstellar ...