There's nothing like a glorious sunset to make you feel like you are in another world - especially if it's green. Watching the sun go down on the planet Osiris would be a "truly alien" experience ...

At midday, Kepler-186f's landscape might look similar to what we see on Earth an hour before sunset, he told NBC News. Or it might not: If the planet lacked an atmosphere to retain and ...

[Alien Planet ... sun an hour before sunset on Earth, Quintana said. It's unclear what sunrises and sunsets would look like on Kepler-186f — that would depend on the planet's atmosphere.

While it resembles an earthly sunset, closer inspection reveals alien oddities ... astronauts should be able to adjust to the planet’s day-night rhythm with relative ease.

Just as well, then, that getting that out-of-this-world feeling without leaving the planet is easier to do ... For maximum impact, visit at sunset, when the valley is bathed in an unearthly ...

show how modern society has transformed the planet, with industry leaving strangely beautiful marks that give some areas the appearance of an alien world. Others show natural landscapes that look ...

But what makes this series different is that after explaining more about the real, alien-looking landscape, the narrator zooms out to an imagined CGI planet called Janus that is half desert ...