One person has been slightly injured after the boats hit each other.
A video posted online shows the two Carnival Cruise Line ships crashing into each other, damaging the stern on one vessel, in the port of Mexico's island of Cozumel.
No other serious injuries have been reported while the cruise operator says their itinerary remains unaffected.
Trump vows no more attacks by Israel on Iran gas field
US President Donald Trump said an angry Israel "violently lashed out" and attacked Iran's major gas field, a significant escalation in the US-Israeli war, but ruled out further such attacks by Israel unless Iran retaliated further.
Israel reopens key Gaza crossing amid new truce push
Israel reopened the Rafah crossing with Egypt on Thursday after nearly three weeks to allow some wounded Palestinians to leave for treatment, after Gaza medics said Israeli strikes had killed four people in the enclave.
Oman condemns attacks on UAE, Qatar, Saudi Arabia
Oman has strongly condemned Iranian attacks targeting energy facilities in the UAE and Qatar, as well as strikes on Saudi Arabia.
Saudi Arabia trust with Iran hard to 're-establish', foreign minister says
Saudi Arabia reserves the right to act militarily against Iran and any trust with Tehran has been shattered, the Saudi foreign minister Prince Faisal bin Fahran said early on Thursday, after Riyadh was targeted by Iranian ballistic missiles.
Kuwait Petroleum Corporation contains fire after drone hits refinery
Kuwait Petroleum Corporation says one of the operational units at the Mina Al Ahmadi refinery was hit on Thursday by a drone, resulting in a "limited" fire.
