For a brief, but exciting, time last year, Earth had two moons. A small asteroid lingered close to our planet in its orbit ...

The Blue Ghost lunar lander, built by the Texas-based company Firefly Aerospace for NASA, launched to space on Jan. 15, and ...

You may see a round, red moon on the day whose digits, 3/14, look like an approximation of the mathematical constant related ...

The new moon is the so-called "invisible phase of the moon," according to NASA, because the illuminated side of the moon is facing away from Earth, toward the sun ... check out our guide to ...

For just a few months, Earth hosted a "second moon," much smaller than our faithful ... before departing to continue its journey around the Sun. An asteroid measuring 11.2 meters (about 37 feet ...

Molten debris from the smash was believed to have bound together to form the moon. But a new study suggests it is instead made primarily from material spat out from the Earth’s mantle — the ...

This lunar phase sees the moon roughly between the Earth and the sun, making the moon invisible but the night skies free from moonlight. That makes tonight the very best of the month for ...

Opinions expressed by Forbes Contributors are their own. Jamie Carter is an award-winning reporter who covers the night sky. Two eclipses will occur in the next few weeks—a lunar eclipse in the ...