In the photo from the space station, the comet is captured just above Earth’s horizon, which is illuminated by a bright light ...

Six planets grace the sky this month in what’s called a planetary parade. Venus, Mars, Jupiter and Saturn are visible to the naked eye in January and for part of February.

While most exocometary belts in the latest study are disks, some are narrow rings. Some even have multiple rings/disks that are eccentric, which provides evidence that yet undetectable planets are ...