Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...
Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.
To celebrate the 100-year Edwin Hubble discovery that Andromeda was a galaxy outside our own, astronomers release the most ...
A star system 5,000 light-years from Earth, surrounded by layers of dust, could help scientists better understand the final ...
Scientists are keen to get to the bottom of the dark matter puzzle because this phenomenon accounts for the vast majority of ...
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...
Astronomers are celebrating the completion of a 2.5-billion-pixel panoramic picture of the entire Andromeda Galaxy. The team includes several UC Santa Cruz researchers who made significant ...