Here’s a list of places you can try and get your stories published, it’s a list I use myself, although no luck for me yet!
Abyss & Apex – Speculative Fiction (Guidelines)
Albedo – Science Fiction, Fantasy, and Horror (Guidelines)
Analog – Science Fiction (Guidelines)
Apex Magazine – Science Fiction, Fantasy, and Horror (Submission Guidelines)
Asimov’s – Science Fiction (Writer’s Guidelines)
Beneath Ceaseless Skies – Fantasy (Guidelines)
Clarkesworld – Science Fiction and Fantasy (Guidelines)
Daily Science Fiction – Science Fiction (Guidelines)
Drastic Tales – Speculative Fiction (Guidelines)
Escape Pod – Science Fiction (Guidelines)
Fantasy Scroll Mag – Science Fiction, Fantasy, and Horror (Guidelines)
Grimdark Magazine – Fantasy (Guidelines)
Heroic Fantasy Quarterly – Fantasy (Guidelines)
Holdfast – Speculative Fiction (Guidelines)
Ideomancer – Speculative Fiction (Guidelines)
InterGalactic Medicine Show – Science Fiction and Fantasy (Guidelines)
Lightspeed – Science Fiction and Fantasy (Guidelines)
The Magazine of Fantasy & Science Fiction– Science Fiction and Fantasy (Guidelines)
On Spec – Science Fiction and Fantasy (Guidelines)
Pantheon Magazine – Fiction with prompts based on Greek gods (Open Prompts, Guidelines)
Plasma Frequency – Speculative Fiction (Guidelines)
PodCastle – Fantasy (Guidelines)
Pseudopod – Horror (Guidelines)
Shimmer – Speculative Fiction (Guidelines)
Strange Horizons – Speculative Fiction (General Fiction Guidelines)
Triptych Tales – Science Fiction and Fantasy (Guidelines)
Uncanny – Speculative Fiction (Guidelines)