Astronomers just measured the mass of a free-floating planet without a star for the first time ...

As the New Year 2026 launches, only two bright planets, Saturn and Jupiter, are visible in the entire night sky.

On Dec. 31, 2004, NASA’s Cassini spacecraft flew by Iapetus, Saturn’s third largest moon. Iapetus was discovered by the ...

Holdings from the library at the Goddard Space Flight Center, which includes unique documents from the early 20th century to ...

Photos shared by NASA show what life looked like 250 miles above Earth in 2025, including images of hurricanes, the northern ...

Astronomers combined data from NASA’s JWST and Chandra X-ray Observatory to create a stunning new image of two merging spiral ...

NASA's first crewed lunar mission in more than 50 years moved one step closer to liftoff recently with a full launch day ...

Its crinkled gold thermal insulation, metallic structures, and the cup-shaped reflective thruster are not just aesthetic ...

Could the icy moons of our solar system hold life beyond our planet? Keith Cooper looks at how planetary scientists plan to ...

Scientists discovered 128 new moons orbiting Saturn, bringing the planet’s total to 274. Many of these moons are “only a few ...

Imagery of Saturn captured by the James Webb Space Telescope is superimposed over an image captured by Hubble. "Yellows ...