As a senator, Marco Rubio prided himself on challenging tyrants. But as secretary of state, President Trump has tasked him with helping to potentially turn Russia from an enemy into an ally.

Russia's foreign minister Sergei Lavrov and US Secretary of State Marco Rubio are meeting in the Saudi capital Riyadh, but Ukraine has not been invited.

Rubio defended the tone and tenor of his boss during Friday's White House clash with Zelensky before he was asked about the leadership in Moscow.

According to US Secretary of State Marco Rubio, the US and Russia agreed on four principles following talks that lasted over four hours in Saudi Arabia. Puck News correspondent Julia Ioffe explains how these talks,

Secretary of State Marco Rubio met with Saudi Crown Prince Mohammed bin Salman and Foreign Minister Prince Faisal bin Farhan al-Saud in Ridyah.

Secretary of State Marco Rubio will meet with his Russian counterpart in Saudi Arabia on Tuesday to discuss a possible peace deal for Ukraine.

Rubio and another senior official rejected concerns that Ukraine and other European leaders would have no place at peace negotiations, despite Trump's Ukraine envoy suggesting precisely that at this weekend's Munich Security Conference.

WASHINGTON >> U.S. Secretary of State Marco Rubio said on Sunday the next few days will determine how serious Russian President Vladimir Putin is about peace in Ukraine, as U.S. officials fly out to Saudi Arabia for meetings with Russian officials.

Speaking with CNN’s Kaitlan Collins, Marco Rubio said Zelensky should “apologize for turning this thing into the fiasco for him that it became.”

We live in a multipolar world. Secretary of State Marco Rubio admitted as much during his wide-ranging interview in January with Megyn Kelly. The recognition that multipolarity is now the kind of world we live in came about,

A potential meeting between U.S. President Donald Trump and Russian President Vladimir Putin depends on progress toward ending the Ukraine war, U.S. Secretary of State Marco Rubio said Thursday. Rubio discussed

US Secretary of State Marco Rubio on Sunday said Ukraine and Europe would be part of any “real negotiations” to end Moscow’s war, signaling that US talks with Russia this week were a chance to see how serious Russian President Vladimir Putin is about peace.