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 ...

"We thought they were basically all going to be fried because the entire universe turned into a vat of boiling oil." ...

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

The Milky Way is one of the biggest in the observable universe: Even if you traveled at the speed of light, it would take 100,000 years to go from one end of our home galaxy to the other.

The Milky Way Galaxy Nestled in the heart of Namibia, the NamibRand Nature Reserve offers an unparalleled view of the Milky ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers using ...

Millions of years ago, our Solar System traveled through a densely populated galactic region and was exposed to increased interstellar dust.

For the next 300 years, astronomers assumed that the Milky Way was the entire universe. Charles Messier also produced a catalog of over 100 prominent nebulae in 1781. Messier was interested in ...

Three-dimensional maps of the interstellar dust extinction curve within the Milky Way galaxy. Science , 2025; 387 (6739): 1209 DOI: 10.1126/science.ado9787 Cite This Page : ...

Florida's 2045 eclipse will be 2 hours and 42 minutes, beginning at 12:12 p.m. for Indian River and St. Lucie counties and 12 ...