A recent SpaceNews opinion article argued that it is time to “take astronomy off Earth.” The suggestion is straightforward: If satellite constellations and commercial space activity threaten ...

Why do some places wait 1,000 years to see a total solar eclipse while others get two in a decade? The surprising orbital ...

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’ ...

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