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Storm chasers honor Bill Paxton
An amazing several-state tribute - stretching across Tornado Alley - honoring Twister star Bill Paxton, who died Sunday due to complications from heart surgery.
February 27, 2017
20 years after Dolly
Everything you always wanted to know about the Dolly the cloned sheep and what came next, from a biomedical researcher and cloning expert.
February 25, 2017
Ancient tortoise reveals tropical DNA
This is a rare look at tropical DNA, courtesy of an ancient giant tortoise that tumbled into a sinkhole 1,000 years ago.
February 25, 2017
Scientists spy 8th continent, Zealandia
A long-lost land mass is submerged in the depths of the southwestern Pacific Ocean. Should it be recognized as a full-fledged continent?
February 22, 2017
How did horses evolve?
A new 'tree of life,' showing how horses have evolved over the past 18 million years challenges long-held ideas.
February 20, 2017
Toxic pollutants persist in deepest ocean
Banned chemicals from the 1970s have been discovered in the bodies of crustaceans in the deepest of Earth’s ocean trenches.
February 16, 2017
Wow! 2017 underwater photo contest winners
Winners of the 2017 Underwater Photographer of the Year (UPY) contest. How do you choose a favorite?
February 15, 2017
Magnetic pole reversal ahead?
What’s magnetic north would become magnetic south. Is Earth headed to a pole reversal? A look at the archaeological record in southern Africa provides clues.
February 10, 2017
Sky solution to help endangered species
An astrophysicist and an ecologist are combining their expertise using drones, thermal cameras and the techniques used to analyse objects in space in order to help endangered species.
February 9, 2017
Lost continent under Indian Ocean?
Evidence in rocks of a "lost continent," thought to be leftover after the ancient supercontinent Gondwana began breaking up some 200 million years ago.
February 6, 2017
