The National Park Service removed the sign about an hour later.
Tesla CEO Elon Musk briefly blasted the Trump administration's travel ban on Twitter before taking down the tweets.
Sidd Bikkannavar, a U.S.-born citizen, was headed back from a trip to Patagonia.
Middle East Refugee Crisis Update: Pakistan Sending Hundreds of Thousands Of Afghans Home, UN Complicit, New Report Says
The migration is the largest mass forced return of refugees in recent years, Human Rights Watch said.
J.K. Rowling was involved in a Twitter exchange with Piers Morgan.
Trump Travel Ban: Adviser Says Courts Have No Right To Block Travel Ban, 'No Such Thing As Judicial Supremacy'
White House policy adviser Stephen Miller accused the courts of attempting to seize power from the presidency.
Several of President Trump's executive orders have been challenged in the courts.
Trump Travel Ban: Anti-Muslim Comments, Insulting Judge May Mean Defeat For President's Controversial Order
The 9th U.S. Circuit Court of Appeals is considering whether to reinstate the president's travel ban as the issues are decided in a lower court.
One Canadian refugee agency helped more claimants between November and January than it usually assists in a year.
Kellyanne Conway cited the non-existent "Bowling Green Massacre" in an interview Thursday.
Starting this year, the IRS will notify the State Department of anyone with more than $50,000 of federal tax debt.
Disease and vaccination research relies heavily on foreign collaboration to be successful.
Trump Travel Ban News: Tech Companies, Other Businesses Working On Open Letter Opposing Executive Order
Major tech firms including Google, Apple and Microsoft are reportedly working on an open letter opposing President Trump's travel ban placed on seven Muslim-majority countries.
Donald Trump Executive Order: DHS Inspector General John Roth Opens Investigation Into Travel Ban; Will He Be Fired?
John Roth, the Inspector General of the Department of Homeland Security has opened an investigation into the execution of the Donald Trump executive order that has restricted entry of refugees from several predominantly Muslim countries.
Trump vs. Australia Refugee Resettlement Deal: Trump Says Will Study 'Dumb Deal' Struck By Obama Administration
The deal is related to the transfer of around 1,250 refugees from Australia’s offshore detention islands, including many from Asia and Middle East.
Muslim Registry: Local Lawmakers Advance Bills To Block President Trump’s Possible Next Step Following Travel Ban
Some state and local lawmakers are seeking to preemptively block what they see as President Donald Trump’s likely next action against the Muslim community.
Apple CEO Tim Cook said the company is considering taking legal action against Trump’s immigration executive order, adding that hundreds of Apple employees are affected by travel ban.
Republicans Who Defend Muslims: Jenna Bush Hager Quotes Father's 9/11 Speech, Slams Trump Travel Ban
The former First Daughter quoted her father's famous 9/11 speech urging Americans to respect fellow Muslim citizens.
"This decision is not directed at a certain religion," the UAE foreign minister said on Trump's travel ban on seven Muslim-majority countries.
Tech leaders will meet up to discuss supporting a lawsuit against Trump’s immigration executive order.
The White House's chief strategist has emerged as one of the most powerful figures in the Trump administration
"The President fundamentally disagrees with the notion of discriminating against individuals because of their faith or religion."
Across many presidential administrations, Saudi Arabia has been a key U.S. ally in the Middle East.
Ukraine hopes the policy change will help improve its relations with Europe.
Hungarians have turned out in the tens of thousands in the last month to protest an Internet tax, corruption and Viktor Orban's government.
The United Nations imposed the sanctions just hours after the President Abed Rabbo Mansour Hadi announced a new government.
The Ebola virus has so far killed nearly 5,000 people and has infected more than 10,000 people, mostly in West Africa.
US Ambassador To The UN Samantha Power Travels To West Africa In The Wake Of Ebola Quarantine Moves By 3 States
Samantha Power's trip comes as three U.S. states begin mandating quarantines for health workers returning from the Ebola-stricken region.
The U.S. Ambassador to the United Nations is visiting West Africa, as more stringent quarantine regulations take hold in some states.
North Korea will reportedly ban international tourism starting Friday as a response to the ongoing Ebola epidemic in West Africa.