Please let me know what this is, I found it in my house and it looks terrifying. Thank you.
Very cool! Yes, I would be concerned if I found it in my house and didn’t know what it is. It’s an amblypygid. https://en.wikipedia.org/wiki/Amblypygi The common name is Tail-less Whip Scorpion. They’re a type of arachnid that lives in warm dry regions. They don’t have fangs nor stingers. They can pinch as an attempt at self-defense. They’re an ancient kind of creature.