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Oct 5, 2015 11:00 AM ET // Jennifer Viegas
Cactus plants, with their needles and ability to withstand droughts, seem hearty, but many are threatened with extinction.
Oct 5, 2015 07:35 AM ET // Jennifer Viegas
The asteroid and volcanoes that did in the dinos was no match for a family of super tough beaver-like mammals.
Sep 15, 2015 03:45 PM ET // Mariette Le Roux, AFP
The deep-sea dweller, long thought extinct, has a vestigial lung lurking in its abdomen.
Aug 21, 2015 01:06 PM ET
When a northern white rhino died in the Czech Republic recently, it left four remaining -- on the entire planet! Julia explains the science behind how animals are deemed to be extinct or endangered.
Aug 17, 2015 04:15 PM ET // Richard Farrell
The never-before seen, and now extinct, species confirms that the creatures once lived in the Caribbean, where they are not found today.
Aug 12, 2015 11:05 AM ET // AFP
Dominant species spread across the globe are just as vulnerable during a mass extinction event as more fragile ones confined to a single locale.
Jul 29, 2015 11:30 AM ET // Stephanie Pappas, LiveScience
Nabiré, a 31-year-old female northern white rhino, died of a ruptured cyst, authorities at a Czech Republic zoo announced.
Jul 27, 2015 03:05 PM ET // Laura Geggel, LiveScience
Likely evolved from land reptiles that dove into the ocean about 248 million years ago, the ichthyosaur extinction has stumped scientists for years.
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