Comet 3I/ATLAS, a rare interstellar visitor, is visible this week as it departs the solar system, with some public events ...

If you have a clear view of the night sky at the end of February, you'll be able to see all the planets in the solar system with the naked eye, lined up in a "planetary parade." But what would these ...

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 ...

A bright, white glowing object with a distinct swirl at each end was spotted by lots of people in the nighttime sky this week - but what the heck was it? The object was spotted Tuesday night after 10 ...

Columbia University professor David Kipping predicts humanity's first alien encounter will be with a rare, "loud" ...