Cruise ships are large passenger ships used mainly for vacationing.

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Breathwork study: Largest controlled trial to date finds no psychological benefits beyond placebo effect

Gravitational lensing has been used for the first time to detect and measure an inactive black hole. The door is now open to study the largest black holes in the universe. "Gravitational lensing events are rare, but are most prevalent in the most massive galaxies, that host the largest black holes."

Counting Africa's largest bat colony

Can you see the cosmic 'cat' grinning into one of the world's largest telescopes in this photo? (video)

Euclid telescope prepares for voyage to create largest 3D map of the cosmos | Space

Expanding large-scale agriculture is escalating flooding in the largest South American breadbasket

Largest-ever atlas of normal breast cells brings unprecedented insights into mammary biology

World's Largest Fusion Project Is in Big Trouble, New Documents Reveal

Phosphorus, Rare Building Block for Life, Discovered at Enceladus

Study explains unusual deformation in Earth's largest continental rift

Largest freshwater turtle species doomed to extinction after last female washes up dead

World's largest iceberg is no more after being ripped apart in 'iceberg graveyard'

Phew, California’s Largest Reservoir is Nearly Full

Brightest gamma-ray burst ever seen, the largest known explosion since Big Bang, has a unique jet structure unlike any other

Listen to the sounds of Pando, the largest living tree in the world

World’s largest freshwater fish draws attention to delicate ecosystem

Slowly Vanishing – Over 50% of the World’s Largest Lakes Are Losing Water

See amazing new sun photos from the world's largest solar telescope

The Largest 'Marsquake' Ever Recorded Might Shake Up The Mystery of Mars's Crust

The Largest Explosion Ever Seen in the Universe