Thriller

The ancient guardians of the Earth

“The Younger Brother is damaging the world. He is on the path to destruction. He must understand and...

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The elusive ‘hidden people’ of Iceland

When she was nine years old, Jófríður Ákadóttir was punished for disturbing an elf. Or at least, she...

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When to see the 'flower' supermoon and catch the total lunar eclipse

(CNN) May's "flower" supermoon will grace the sky this Wednesday. This supermoon will be the...

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Watch the July full 'buck' moon illuminate the sky tonight

(CNN) Lunar lovers, grab a cozy spot outside and set your sights to the southeast to gaze upon July...

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Voyager spacecraft detects 'persistent hum' beyond our solar system

(CNN) One of the Earth's longest-flying spacecraft has detected a "persistent hum" beyond...

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Volcanoes could still be active on Mars

(CNN) The barren landscape of Mars makes the planet seem like a quiet, frozen desert where nothing has...

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Venus may still be active based on 'pack ice' finding

(CNN) With its thick, toxic atmosphere and temperatures hot enough to melt lead, Venus seems like a...

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Venus gets 'unprecedented' double flyby this week

(CNN) Venus gets back-to-back visitors this week, with the flybys of two European Space Agency-backed...

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'Unseen Empire' turns a huge wildlife camera trap study into a game

(CNN) Tasked with photographing one of the world's most elusive big cats, you trek deep into the lush...

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Two robots are changing the way we explore Mars

Sign up for CNN's Wonder Theory science newsletter. Explore the universe with news on fascinating discov...

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Two new NASA missions will uncover the secrets of Venus

(CNN) It's time to revisit Venus, our closest planetary neighbor. Two new missions to Earth's twin have...

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Two new gaseous planets found by citizen scientists

(CNN) Two new gaseous planets have been found orbiting a sun-like star 352 light-years from Earth -...

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Titanic museum iceberg wall collapses, injuring 3 visitors

(CNN) A wall of ice collapsed Monday at the Titanic Museum Attraction, injuring three visitors to the...

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This 'wandering meatloaf' chiton has a rare mineral in its teeth

(CNN) A rare iron mineral has been discovered in the teeth of a living organism for the first time ...

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This is what it looks like when a star is born

(CNN) Our lives happen in the blink of an eye compared to the course of a star's lifetime. Now, a team...

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This forgotten species thought to be extinct was actually on an island paradise

A version of this story appeared in CNN's Wonder Theory newsletter. To get it in your inbox, sign up...

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This company uses technology and nature to cut your air conditioning bill

(CNN Business) Heat waves are becoming more common in parts of the United States — and that means m...

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This butterfly was the first to go extinct in the US because of humans

Sign up for CNN's Wonder Theory science newsletter. Explore the universe with news on fascinating discov...

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They dodged flames pushed by 30 mph winds. Crews fighting the huge Bootleg Fire still are trying to tame it

Silver Lake, Oregon (CNN) When crews battling the massive Bootleg Fire saw wind-driven flames race acros...

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These potentially habitable exoplanets can see Earth as it evolves

(CNN) As human civilization began to flourish on Earth about 5,000 years ago, 1,715 star systems within...

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