By chance, NASA Europa Clipper captured interstellar comet 3I/ATLAS in ultraviolet light as it sped past Earth, revealing hidden gases and offering a rare preview before its Jupiter encounter ahead.

When a thunderstorm recently lit up the night sky, cameras captured towering red shapes that looked uncannily like glowing jellyfish hanging above the clouds. The images raced across social media, and ...

No, that's not an alien spaceship: The US space agency National Aeronautics and Space Administration (NASA) has released new images of the celestial body 3I/ATLAS. NASA also didn't conceal anything; ...