The selected answer (Ellen's) seems to be the right answer, but I was curious about what Ancestry considered to be copyrighted (as Newspapers.com is owned by Ancestry). So I asked them on their chat thing... Here's a summary (edited slightly):
Me: Most of the records on Ancestry are old (say over 100 years), and therefore in the public domain. Does Ancestry consider scans of public domain records to be copyrightable? If so, why? If someone posts a scan from Ancestry online, does Ancestry consider that to be breaking one of the terms and conditions? If so, which one? Thanks.
A: I'm posting our copyright policy below, for your review.
I hope that helps!
Is there anything else that I can do to help?
Me: There seems to be no claim of copyright by Ancestry in that policy. It seems to just be Ancestry defending itself from copyright claims against Ancestry. Is that a fair assessment?
A: I'm not very familiar with copyright policies regrettably, so I'm not exactly sure and I don't want to respond incorrectly. I apologize. The article is what I can offer on this subject.
Me: Are you a real person?
A: Yes, my name is *****.
Me: Have you read the copyright policy?
A: I have. But if there is something that Ancestry hasn't included in it, I don't want to make any assumptions. When our members have questions of this sort, we refer them to the article so that they can get Ancestry's exact stance. I don't want to risk saying anything incorrectly on this subject.
Me: OK... So, the policy is very short. Could you maybe read it and then tell me if what I'm assuming - that images from Ancestry are not under copyright - seems to be correct?
A: Please give me just a moment. I'm reaching out about this now to see if I can find a solid answer for you...
Please email firstname.lastname@example.org to get a solid answer on this. The will be able to advise you further with these types of questions.
I truly apologize that I can't be of more help with this.
Me: Thanks, I guess...
A: You're welcome. Is there anything else for now?
I was surprised when I actually read the copyright policy. I expected the normal thing that says something like 'All images are copyrighted, and may not be used, blah, blah, blah', but it doesn't say that. It just says, 'If you think we're violating your copyright, let us know...'