The shot of our planet and the great cosmos beyond offers an eerie sense of scale to our quotidian situations on Earth.

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

A SpaceX Falcon 9, carrying the SPHEREx and PUNCH missions, is scheduled to lift off on Sunday at 10:09 p.m. ET.

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

Fast-moving stars in the Milky Way indicate there could be a supermassive black hole in the neighboring Large Magellanic ...

This stunning photo was taken on January 29, 2025, from 265 miles (425 km) above the Pacific Ocean. Pettit, a seasoned ...

Star clusters are formed when gravity pulls young stars together, forcing them to orbit each other. A star cluster can ...

NASA astronaut Don Pettit captures a breathtaking image of the Milky Way from the International Space Station, offering a ...

Scientists observed constant flares from the Milky Way's black hole, revealing unpredictable and intense activity.

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 ...