For all its ancient, familiar features, the Moon is still changing—and sometimes in dramatic ways. Scientists recently ...

This week in Skywatch, I want to go back to basics when it comes to the moon. So why does the moon change shape? Why is it a crescent on one night, a half-moon another night, and a full moon on yet ...

Isro is changing the launch vehicle for Chandrayaan-4. The engine it now depends on has never flown.

The Moon is not a fixed lantern in the sky but a slow-moving partner that is gradually edging away from Earth. That retreat is tiny on human timescales, yet over millions and billions of years it ...

This week in Starwatch I want to go back to basics when it comes to the moon. So why does the moon change shape? Why is it a crescent on one night, a half-moon another night, and a full moon on yet ...