Because of April's fools?

Enjoy this 1998 edition of our annual April Fools' Day science story!

DURAK, ARGENTINA--Scientists have uncovered the remains of a massive stone structure and other artifacts, estimated to be 4000 years old, in a remote corner of Antarctica. The find, announced at a press conference here today, is the first evidence of ancient civilization on the icy continent and is being hailed as one of the most important archaeological digs of the century.

https://www.science.org/content/article/ancient-ruins-found-antarctica