Voluminous clouds of cosmic dust permeate our galaxy, but only recently has software allowed detailed observations of the ...

Gravitational lensing often evokes images of a cosmic funhouse mirror: duplicated galaxies, dramatic arcs and distorted ...

The moon will appear in the sky with a red hue this week during the total lunar eclipse. It marks the first total lunar ...

Astronomers have discovered not one, but four tiny planets orbiting Barnard’s Star, our cosmic neighbor. These planets, each about a fifth the mass of Earth, whip around their host star in just ...

The sheer number of objects suggests scientists will soon have to grapple with what counts as a moon versus what’s just a ...