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

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 ...

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

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 ...

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

The Red Planet and its tiny moon Deimos were recorded at a very near distance as the asteroid-chasing spacecraft completed a flyby on Wednesday.

Astronomers from the University of Arizona have uncovered astonishing details about a galaxy that existed when the universe ...

This is the fourth comet Gröller has discovered, but given its extraordinary distance, it was the most exciting find, he says ...

The discovery of the dwarf galaxy Andromeda XXXV --located roughly 3 million light-years away and the smallest yet found in the Andromeda system -- is forcing astronomers to rethink how galaxies ...