‘Stone Age’ comet begins closest approach to Earth
Comet C/2022 E3 (ZTF)’s trajectory shows that it last flew by Earth roughly 50,000 years ago.
Jan 24, 2023
Top 10 sky events of 2023
Three major meteor showers, including the Perseids, arrive with the Moon mostly out of the way this year.
Dec 23, 2022
More satellites, more problems
The number of active satellites in orbit (as of November 4, 2022 at 16:05:27 UTC) is 6,843 — 3,273 of which are Starlink units, up from 1,655 on September 1, 2021.
Dec 19, 2022
All eyes on Ontario’s bright fireball
Astronomers and NASA had their eye on 2022 WJ1, a small asteroid on a collision course with Earth.
Nov 23, 2022
