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, ...

NASA's Perseverance rover is perpetually in motion, continually capturing intriguing images of the Martian landscape. During one of its recent snapshots, the intrepid robot seized a mesmerizingly ...

Nasa’s Perseverance Mars rover has captured a rare strange “blue sunset” over the Red Planet’s horizon, an image that sheds more light on the physics behind an alien sunset. The rover took the snap on ...