Earlier quoted context omitted.
If the US Congress passed an amendment that stated abortion is legal nationwide, then the Supreme Court would not be able to strike it down as that would be the new federal law.
Is a constitutional amendment different than a federal law when it comes to how it’s treated by the SCOTUS?
When Congress passes a law, the law (sometimes referred to as the Constitution) gets amended, hence it is also referred to as an amendment.
Edit: ignore this comment, my information was incorrect!