Group Captain Shubhanshu Shukla's ISS mission marks India's first in-orbit biomedical research effort, studying muscle loss, ...

Neptune and Saturn are two Moon-widths apart all month, while the morning sky hosts Venus and Uranus together in Taurus.

Visible in the early-morning sky today, Saturn’s two-toned moon Iapetus reaches superior conjunction just 1.4′ due south of Saturn. The proximity makes the now-11th-magnitude moon easier to find, as ...