Earth’s core has often been described as just a giant ball of iron and nickel. Now, a new study argues that it is also a major storage place for hydrogen, possibly equivalent to dozens of oceans’ ...

Earth's cosmic neighbourhood is more dynamic than imagined, hosting temporary 'mini-moons' captured by gravity and ...

Finding Earth’s exact position in the galaxy took centuries of observation and innovation. This story follows astronomers as ...

Historical observations of the Moon's motion, dating back to ancient civilizations, played a crucial role in the development of timekeeping and calendar systems. The Moon's orbital cycle can be ...

A growing number of researchers in the field are using their expertise to fight the climate crisis. By Katrina Miller and Delger Erdenesanaa On the morning of Jan. 18, 2003, Penny Sackett, then ...

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The article introduces "dark comets," a newly identified class of celestial bodies exhibiting nongravitational acceleration characteristic of comets but lacking visible dusty tails, unlike typical ...

Astronomy has the opportunity to be more than a victim of growth. It can be a driver of infrastructure, education and long-term exploration. By articulating its needs clearly and aligning with the ...