Photographer Petr Horálek observed both a lunar eclipse and a galaxy of stars from the the US National Science Foundation’s ...

Mare Crisium, or the 'Sea of Crises', can be spotted on the night of May 30 as an oval-shaped dark patch on the moon's ...

Sea level—perpetual flux ... It’s the equivalent of having a daily flight to the moon.” McCallum, in his pre-dive briefings, started listing “complacency” as a hazard.