Mr Khashoggi is a USA resident and columnist for the Washington Post newspaper who went into self-imposed exile a year ago after reportedly being warned by Saudi officials to stop criticising the crown prince's policies.
According to daily Yeni Şafak, Turkish forensics experts found "evidence of murder" at the consulate.
Turkish crime scene teams were seen leaving the consulate early on Thursday morning.
Asked if the U.S. would be willing to walk away from Saudi Arabia, Trump said: "I do not want to do that and frankly they have a tremendous order, $110 billion", referring to a promised United States arms sales to the kingdom.
Mr Khashoggi, a critic of the government and a columnist for the Washington Post, vanished on 2 October after visiting the Saudi consulate in Istanbul.
Trump, who threatened punishment for Saudi Arabia when Khashoggi's disappearance first came to light two weeks ago, has repeatedly noted Saudi leaders' denials since then and insisted the USA must know the facts before taking action.
Sen. Lindsey Graham (R-S.C.) has called for the United States to "sanction the hell out of Saudi Arabia". Now I have to accept: "That is not going to happen", Karen Attiah wrote.
Khashoggi's suspected murder and Saudi Arabia's lackluster efforts to solve the case has negatively affected Riyadh's economic reform drive, chasing away investors and foreign officials alike.
TRT World correspondent Caitlin McGee has details from outside the Saudi consul general's home in Istanbul.
NASA’s Chandra X-ray Observatory bounces back into action
Since launch , the spacecraft has provided a look at the remains of exploding stars and found black holes across the universe. Only the essential instruments it needs to survive are now working, but all of its scientific equipment are otherwise safe.
"I can never do business with Saudi Arabia again until we get this behind us", he said this week.
"We have asked for it. If it exists we have asked for it", Trump told reporters in the Oval Office.
"The Post held off publishing it because we hoped Jamal would come back to us so that he and I could edit it together", she wrote. The report said it was unclear if he was dead or alive at the time.
"If a country engages in activity that is unlawful it's unacceptable", Pompeo said.
"We all need to know what it was, how it happened and who was responsible and where the evidence leads".
Media sources contend any action against Khashoggi would have to be approved by Bin Salman, the crown prince who has enjoyed high-profile praise in recent months for reforms, such as allowing women to drive.
"I don't want to talk about any of the facts", Pompeo told journalists.
A joint-probe into the case by Saudi Arabia and Turkey is ongoing.
No major decisions are made outside of the ultraconservative kingdom's ruling Saud family. Pompeo was criticized on social media for images from his meetings with Saudi officials that showed him smiling broadly. The official spoke on condition of anonymity because the investigation was ongoing.
White House Press Secretary Sarah Sanders announced Thursday morning U.S. Treasury Secretary Steve Mnuchin has backed out of an upcoming conference in Saudi Arabia.
The exact details of the contract extension have yet to surface, but the deal is reportedly worth four-years for $44.8 million. Can he take a step forward? They're not even expecting us to make the playoffs.
It says Amazon representatives abused eBay's internal email system to contact sellers - a violation of the marketplace's policies. Ebay called it an "orchestrated, coordinated, worldwide campaign" to "illegally lure eBay sellers to sell on Amazon".
Luis Suarez and Ivan Rakitic were also some of Neymar's close acquaintances and he still considers Barcelona as "his club". Barcelona have reportedly indicated that they are ready to secure a reunion with Neymar in the summer.
During another demonstration, Meghan got a shock when a group of school children demonstrated a miniature F1 race track. Some members of the crowd sang Stand By Me - a song the couple chose for their wedding service in May.
Last week, Facebook said a major security breach it discovered late last month had impacted the accounts of 30 million users. In July, Facebook projected weaker-than-expected revenue growth and its shares have been battered more than 25% since then.
A teenage girl cried tears of joy after being greeted by the prince , while Meghan was inundated by gifts and flower bouquets. Eagle-eyed fans spotted Meghan with her mobile phone out while in Melbourne - in a rare move for a senior royal.
Former Uber Driver Charged with Sex Assault
He is no longer allowed to work as a cab or ride-sharing driver and Uber officials say he has been removed from their platform. He allegedly changed customer destinations on the Uber app at least 11 times and sent in fake information about cleaning fees.
Recreational marijuana becomes legal in Canada
Canada is the second country in the world to legalize marijuana (behind Uruguay), but the laws do vary from province to province . MI and North Dakota are the only states this year deciding on the legalization of recreational marijuana this November election.
Cypriot budget airline Cobalt has suspended operations
It announced it was suspending operations and cancelling all its flights just before midnight on Wednesday (October 17). Another company has since named itself Cyprus Airways after acquiring the logo and the brand from the Cypriot state.
Vietnamese dissident Mother Mushroom freed, on way to US
Authorities in Vietnam have released dissident blogger Nguyen Ngoc Nhu Quynh, also known by the pseudonym "Mother Mushroom". Quynh received the International Women of Courage Award in 2017, presented to her in absentia by U.S.