It's a big month for astronomers, as a major meteor shower sparks up the night and the "comet of the century" nears Earth.

Comet A3 Tsuchinshan-ATLAS proved to be photogenic as it lit up the early autumn skies of the Northern Hemisphere this month.

The largest and oldest-known impact site on the moon is the South Pole-Aitken (SPA) basin, stretching across nearly 1,250 miles (2,000 kilometers) of the far side of the moon. And thanks to new ...

It is also theoretical. Astronomers infer the Oort Cloud is there because it’s the only logical explanation for the arrival of a certain class of comets that sporadically visit our solar system. The ...