"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." While NASA is busy sending astronauts back to the Moon’s surface, other astronomers are trying to figure ...
A strange star about 13,000 light years away may have a solid surface, not a gaseous one like most stars. The star, called 4U 0142+61 but nicknamed simply 4U, is a magnetar – the dense, highly ...
To understand the early years of the Moon’s life, it’s vital to understand what lies at our satellite’s center. Confirming NASA's finding in 2011, a new study agrees that the Moon’s inner core is ...
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