The moon will be 99% full Friday night, and with mostly clear skies expected for Louisville in the evening, tonight is a good ...

Venus: Venus dazzles in the eastern sky before sunrise, shining brightly for a couple of hours each morning. It’s joined by ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

Red sprites are among a class of enigmatic weather phenomena that appear over thunderstorms, known as Transient Luminous ...

“They appear moments after a lightning strike—a sudden reddish flash that can take a range of shapes, often combining diffuse ...

To mark its third year of highly productive science, astronomers used the NASA/ESA/CSA James Webb Space Telescope to scratch ...

Doubles, bold wagers, and a fierce fight for the top spot.

Mars is easiest to see when it’s closest to Earth, which happens about every two years. This event is called “opposition.” In ...

Neptune is called an “ice giant” because it’s mostly made of a thick, slushy mix of water, methane, and ammonia, which ...