The comet's closest approach to Earth will occur on Friday, December 19, 2025, when it will pass at a distance of approximately 167 million miles.

Skywatchers looking toward the constellation Virgo this week have a notable target: Interstellar comet 3I/ATLAS. The icy visitor, which has been the subject of global discussion for the past few weeks ...

The equatorial coordinate system projects Earth's latitude and longitude onto the celestial sphere, using declination (angular distance from the celestial equator, measured in degrees) and right ...

As hobbies go, stargazing has a pretty low barrier to entry. All you really need is a pair of Mark 1 eyeballs and maybe a little caffeine to help you stay up late enough. Astronomy, on the other hand, ...