D ay 13 of the 2024 Space Telescope Advent Calendar: a cloud in the deep sky. This image, featuring the central region of the Chameleon I dark molecular cloud, about 630 light-yea ...

The clear blue sky over Dhaka turned overcast by noon on Wednesday, giving the city an early taste of evening darkness. The ...

In one of the world's largest star-gazing sanctuaries, Māori guides connect travelers with the cultural and spiritual significance of the cosmos.