It is considering whether a single federal judge can block a nationwide order from the US president.

It is considering whether a single federal judge can block a nationwide order from the US president.

The most anticipated decision: Whether the court will let President Trump to enforce changes to birthright citizenship amid a legal challenge.

Birthright citizenship ruling handed down by the U.S. Supreme Court. How many people gain citizenship this way?

The outcome was a victory for Trump but a conservative majority left open the possibility birthright citizenship changes could remain blocked.

Court ruling leaves fate of the US president’s order to overturn birthright citizenship rights unclear

The high court did not take up the underlying issue of whether President Donald Trump's order ending automatic birthright citizenship was constitutional.

The case stemmed from an executive order Trump signed when he took office that ended birthright citizenship.

The court’s ruling could now mean that once a child born to noncitizen parents leaves certain states, they won’t be considered a U.S. citizen.

Because of the ruling to limit injunctions, Trump's birthright citizenship order will be able to take effect, 30 days after the courts opinion was filed, the court said.