"We found that some comets in the inner Oort cloud form a long-lasting spiral structure." Spirals are a repeating theme in ...

Nevada is one of very few places left in the country where there is so little artificial light the Milky Way is visible to ...

NASA astronaut Don Pettit used a camera with low light and long duration settings to capture this Jan. 29, 2025, photo of the ...

NASA astronaut Don Pettit used a camera with low light and long duration settings to capture this Jan. 29, 2025, image of the ...

And Scientists Have No Explanation For It The vast space beyond our planet’s wall was rightly known as the final frontier, ...

In March the bright winter constellations of Canis Major, Canis Minor, Orion, Gemini, Taurus and Auriga fill the southern sky stretching all the way to zenith — the point directly overhead. Directly ...

"Everything scattered in the Andromeda system is very asymmetric and perturbed. It does appear that something significant ...

Using NASA's James Webb Space Telescope, Northwestern astrophysicists gained the longest, most detailed glimpse yet of the ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

NASA’s Chandra X-ray telescope found X-ray signals from young stars outside the Milky Way for the first time. These stars are in the “Wing” of the Small Magellanic Cloud, a nearby galaxy. The skin ...

At the edge of the Milky Way, there are a surprising number of hyper-fast stars that originate from outside. They apparently ...