Even those articles are incorrect.
🙄
Ophiuchus is the serpent
bearer, not the serpent (Serpent Caput and Serpens Cauda). And the ecliptic - the path of the sun across the sky - has always intersected it. There have
always been thirteen constellations on that path.
The only thing that has changed over the eons
enough to notice is the direction of the Earth's tilt - not its orbit through space - and that wasn't a sudden change, either.
No, what happened here is that someone missing part of their brain finally realized that the Zodiac, as it pertains to astronomy, does not jibe completely with the Zodiac as it pertains to astrology. The two have never been identical.
Nothing has changed, and nothing is new - whatever your astro
logical sign was, it still is, and it always has been. The astro
nomical signs, while different from those, have always been the same over the course of our lifetimes, too.