When we observe distant celestial objects, there is a possible catch: Is that star I am observing really as reddish as it ...

Astronomers say they have traced a mysterious pulsing in the Milky Way to a surprising source: a dead star locked in a dance ...

At the Harvard College Observatory in years around 1900, women were hired to make measurements of astronomical data and do ...

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

What is …?” is a section-wide column that explores the STEM majors at UW and explains what they are. This week, c William ...

The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.

Astronomers from the Max Planck Institute for Astronomy have constructed the first detailed 3D map of the properties of cosmic dust in our home galaxy. For their map, the astronomers used 130 million ...

Previous efforts to map the galaxy's dust were challenged by limited data, but the Gaia mission has provided a treasure trove ...

Its employees regularly collect weather data that help scientists monitor daily forecasts, track hurricanes, support air ...

You thought Saturn's 146 moons were impressive? Think again. The ringed planet's moon count has nearly doubled with the ...

Starting late on March 13 and continuing into the early-morning hours of March 14, our natural satellite will pass through ...