China just took another step toward landing astronauts on the moon, acing a key abort test with its Mengzhou crew capsule and ...

At that altitude, orbital speed matches our planet's rotational speed, allowing satellites to "hover" over a particular patc ...

Nearly six decades after it made history for the first soft landing on a celestial body other than Earth, a tiny Soviet robot ...

Knowing past Wordle answers can help with today's game. Here's the full list so far.