WATCH LIVE: NASA Astronauts fix cosmic ray detector in spacewalk

VP Pence delivers remarks to NASA employees

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CAPE CANAVERAL, Fla. (AP) — Astronauts have begun an extraordinarily complicated series of spacewalks to fix a cosmic ray detector at the International Space Station.

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Italian astronaut Luca Parmitano and U.S. astronaut Andrew Morgan ventured out Friday with dozens of tools and four new pumps for the Alpha Magnetic Spectrometer. NASA considers these spacewalks the most difficult since the Hubble Space Telescope repairs a few decades ago.

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Unlike Hubble, the spectrometer was never meant to undergo space surgery. After 8 ½ years in orbit, its cooling system is almost dead.

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Parmitano and Morgan will go out at least four times this month and next to revitalize the instrument. NASA describes the work as a heart bypass.

The $2 billion spectrometer is searching for elusive antimatter and dark matter. It’s already studied 148 billion cosmic rays.

'Jeopardy!' regulars cash in on iconic tourney

‘Jeopardy’ host Alex Trebek reveals pancreatic cancer diagnosis

Fox News medical correspondent Dr. Marc Siegel on ‘Jeopardy’ host Alex Trebek revealing he has stage-four pancreatic cancer.

Part two of the "Jeopardy!" tournament airs Friday and it will look a lot like the first.

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That’s because the three finalists competing — James Holzhauer, Emma Boettcher and Francois Barcomb — have faced off against each other on the iconic show before.

Holzhauer, a professional sports gambler and one of the shows top winners, lost in a match to Boettcher, a Chicago librarian, early this year, bringing his 32-day win streak to an end. His final winnings amount totaled more than $2 million, or about $75,362 an episode. And, he came just shy of Ken Jennings' all-time high of $2.5 million.

Barcomb, an upstate New York physics teacher, placed third with a total of $1,800.

"JEOPARDY!'S" ALEX TREBEK GETS EMOTIONAL AFTER CONTESTANT'S MESSAGE

The three will face each other again in tonight’s final round. Holzhauer is in the lead with $49,326, nearly double Boettcher’s $26,400. The grand prize: $250,000.

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All game show winnings are considered by the IRS to be ordinary income and are taxed up to 37 percent along with state taxes.

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Marie Yovanovitch, Ex-Ukraine Ambassador, Testifies In Trump Impeachment Hearing

Marie Yovanovitch, a veteran foreign service officer who served as the U.S. ambassador to Ukraine until May of this year, speaks publicly today on her knowledge of President Donald Trump’s dealings with Ukrainian President Volodymyr Zelensky.

Trump threatened Yovanovitch during a July 25 call with Zelensky, saying “she’s going to go through some things,” calling her “the woman” and “bad news.” Yovanovitch left her post in May after conservative media outlets and Donald Trump Jr. accused her of being part of an alleged Ukrainian attempt to support Hillary Clinton’s 2016 presidential campaign.

In October, Yovanovitch told impeachment investigators she was “very concerned” and felt threatened by Trump’s remarks on the call with Zelensky.

House Intelligence Committee Chairman Adam Schiff (D-Calif.) and the committee’s top Republican, Rep. Devin Nunes (Calif.), will direct the questioning at today’s hearing.

Read updates on her public testimony below:

Dow hits all-time high on China trade deal hopes

The Dow Jones Industrial Average rallied more than 100 points to a record high on Friday morning amid reports that the US and China are nearing a trade deal.

The blue-chip index jumped to an all-time high of 27,890.00 shortly after markets opened. The spike came after White House economic adviser Larry Kudlow said the US and China were “getting close” on a trade pact.

“It’s not done yet, but there has been very good progress and the talks have been very constructive,” Kudlow said Thursday, according to Reuters.

Recent numbers showed the Dow up 107.03 points to 27,888.99 as of 9:46 a.m.

The S&P 500 and Nasdaq indexes also rose Friday. The S&P was up 10.71 points to 3,107.34, while the Nasdaq jumped 36.97 points to 8,515.99.

U.S. business inventories flat in September, reflect weakening trend

WASHINGTON (MarketWatch) – Business inventories in the U.S. were flat in September following a decline in August, the Commerce Department said Friday. Sales fell 0.2% in the month. The ratio of inventories to sales, meanwhile, was unchanged at 1.40. That’s how many months it would take to sell all the inventory on hand. One year ago, the inventory-to-sales ratio was lower at 1.36. Flat or declining inventories are neutral or subtract from gross domestic product and usually are a sign of a weaker economy. The level of inventories in August was revised down slightly to show a 0.1% decline.

Trump to attend NATO meeting in Britain early December

U.S. President Donald Trump will travel to Britain for the meeting of the North Atlantic Treaty Organization from Dec. 2 to 4, the White House said in a statement on Friday.

Trump intends to discuss defense spending and addressing threats "emanating from cyberspace, those affecting our critical infrastructure and telecommunications networks, and those posed by terrorism" according to the statement.