These are two different, conflicting and thus contradictory versions based on variant traditions.
The older tradition is the one in which Heracles actually interacts with the Titan Atlas, who helps him to procure the apples of the Hesperides.
In the later version, in which Perseus had turned Atlas to stone generations before Heracles' birth, Heracles ...
The Theoi Project website has two Pages on Perseus. On the second Page, the last chapter (which is followed by some appendices) is entitled "The Death of Perseus". It is very brief, listing the only two characters involved, aside from Perseus, and these are Proitos [Proetus] and Megapenthes, which listing is followed by this blurb:
The only reference to ...
The Wikipedia article for Theseus ends its introduction with this:
As the subject of myth, the existence of Theseus as a real person has
not been proven, but scholars believe that he may have been alive
during the Late Bronze Age possibly as a king in the 8th or 9th
This assertion is based on Classical Mythology Tenth Edition. Quoting ...
Yes, she did know.
There are at least two ancient sources which make this explicit, the first being Nonnus' Dionysiaca, which places the reign of Perseus in Argolis during the time that Perseus' half-brother the wine-god Dionysus is concluding his epic tour of Greece. At the end of Dionysus' itinerary is the region of Argolis, one of whose major cities is ...
The Classic Review, volume 60, issue 2 mentions three different opinions on how his life ends.
Megapenthes kills him,
He accidentally kills himself with Medusa’s head, or
He is taken up directly into the stars.
Page 32 of the book Perseus discusses these briefly as well.