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NASA spots unexpected X-shaped structures in Earth's upper atmosphere — and scientists are struggling to explain them
By Jamie Carter
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NASA scientists discover strange structures hovering above Earth
By Harriet Brewis
NASA Discovers Strange Spectral Formations High Over the Earth
By Victor Tangermann
NASA spots ‘surprise’ X shapes in Earth’s atmosphere - and scientists are struggling to explain them
By Lucy Leeson
NASA’s GOLD Satellite Discovers Mysterious Plasma Structures in the Earth’s Atmosphere
By Tim McMillan
X marks the spot? NASA spots bizarre X-shaped structures in Earth's upper atmosphere - and scientists warn the
By Jonathan Chadwick
NASA spots unexpected X-shaped structures in Earth's upper atmosphere — and scientists are struggling to explain them
By Connie Willis
NASA spots ‘surprise’ X shapes in Earth’s atmosphere - and scientists are struggling to explain them
By Lucy Leeson
NASA spots bizarre X-shaped structures in Earth's upper atmosphere
By Jonathan Chadwick
