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Japan startup unveils 15-foot robot suit for space exploration
(www.independent.co.uk)
This is a most excellent place for technology news and articles.
Gundams aren't suits either.
And the ones in aliens were but they didn't call them that. Being a bit pedantic aren't you.
The Aliens power lifters are on the border of "Suit". You stand in them. The arms and legs have your arms and legs inside them, and they move as yours do. So yah I'd call that a suit that you wear. Just barely.