About 57 light years from Earth, astronomers have discovered a large new planet, colored a deep magenta. It’s the second planet whose color has been directly observed by astronomers, the first being HD ...

There are increasing reports of an imminent helium shortage, but why should this be a concern? What is helium used for, apart from balloons? Quite a lot, as it happens. Helium supplies ...

A group of engineers from the Mars Curiosity Rover mission answered questions in a Reddit Ask Me Anything session today. In addition to questions about the mission and Mars, the Curiosity Rover team responded to ...