For centuries, the true nature of the Moon’s core remained an open question. Was it entirely molten, like the early Earth, or ...

See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025. Today, March 16, 2025, the moon is 15 days old and is in the Waning Gibbous phase of its lunar ...

From the discovery of gravity to the first mission to defend Earth from an asteroid, here are the most important physics ...