YR4, a potential “city-killer,” has a small chance of hitting Earth in 2032—but scientists say it might strike the Moon ...

The moon reached its peak brightness at 8:53 a.m. EST (1353 GMT) on Feb. 12, but local moonrise and moonset times will depend ...

As it orbits Earth, the moon will show different illuminated parts based on the angle to the sun and hence the phases of a lunation. Although these lighting variations are gradual, traditionally ...

Many photos McCarthy has taken of the space station in the past show the ship as a silhouette in Earth's shadow. This time he ...

The new measurements show a very high similarity between samples taken from both Earth and the Moon of an isotope called oxygen-17 (17 O). The isotopic similarity between Earth and Moon is a long ...

The images below show the day-by-day phases of the Moon in February. The Full Moon this month was Wednesday, Feb. 12. Note: Moon phases in the calendar vary in size due to the distance from Earth ...

The Blue Ghost mission launched on Wednesday, January 15, on board a SpaceX Falcon 9 rocket and is currently around halfway ...

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The new measurements show a very high similarity between samples taken from both Earth and the moon of an isotope called oxygen-17 (17 O). The isotopic similarity between Earth and the moon is a ...