Some people can't stand hard SF, others will read nothing else.

She has been described as "one of the very best of the new British hard SF writers".

"Sisters" is hard SF with a strong social slant.

Hard science fiction, or "hard SF", is special because it uses true facts and theories from sciences.

This book is described as hard SF - I don't agree.

There is a degree of flexibility in how far from "real science" a story can stray before it leaves the realm of hard SF.

The other stories in this collection are also fine work by an author who is perhaps one of today's very best practitioners of hard SF.

His fiction ranged from pure fantasy to hard SF.

Her first novel, the hard SF planetary romance Vestiges, was published in 2012.

This story is from Analog and shows the lighthearted side of hard SF.