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The cover art back then was wild, eh? Linking a fun article below, filled with some bonkers ones.
To my mind, the Hainish books and stories were the best: lovely reminders that the difference between fantasy and sci-fi, "real" and "imaginary", is all a matter of cultural subject-position.
Out of today's SF writers, you might enjoy Adrian Tchaikovsky if you vibed with any of Le Guin's work; he has a knack for writing with a similar empathy.
https://lithub.com/an-ode-to-the-glorious-70s-cover-art-of-the-books-of-ursula-k-le-guin/