The Sky This Week from January 16 to 23: Caroline's Rose blooms

Sky This Week is brought to you in part by Celestron. Friday 9Cygnus may be sinking toward the horizon a few hours after ...

Harvard Expert Avi Loeb Claims Rare Solar Alignment May Finally Prove If 3I/ATLAS Is 'Alien'

Harvard's Avi Loeb says a rare sun alignment on 22 January could prove interstellar visitor 3I/ATLAS is an alien spaceship.
Business Times

NASA Tracks Ancient Interstellar Comet 3I/ATLAS After Perihelion Brightening and Rare Chemical Signals

Scientists at NASA are intensifying observations of a massive interstellar comet that briefly vanished behind the Sun before ...

NASA Scientists Are Tracking A Massive Interstellar Comet Older Than The Solar System

NASA data reveals a dramatic blue glow from the ancient interstellar comet 3I/ATLAS. Discover why this 8-billion-year-old ...
Space.com on MSN

Perihelion: What is it and when does it occur?

Perihelion is the point at which an orbiting body is closest to the sun. The word comes from Greek and literally means around ...