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(CNN) America's two largest active wildfires have burned land nearly the size of New York City, Los...
London (CNN Business) The swift fall of Afghanistan to Taliban fighters has triggered a humanitarian...
(CNN) The Sierra Nevada red fox, a rare California species whose population is dramatically dwindling...
Dr. Natalia Kanem is the executive director of the United Nations Population Fund, the UN's sexual and...
Don Lincoln is a senior scientist at the Fermi National Accelerator Laboratory . He is the author of...
(CNN) The aurora borealis, or northern lights, could easily be described as Earth's greatest light show...
(CNN) One of my family's favorite activities is sitting around the firepit under a clear night sky,...
Lake Urmia, Iran (CNN) The ferries that once shuttled tourists to and from the little islets in Iran...
(CNN) The largest wildfire in the United States approached 400,000 acres burned with containment at...
(CNN) Despite the efforts of firefighters battling the Bootleg Fire , the raging flames of the nation...
(CNN) The Hubble Space Telescope is functioning again after more than a month offline as a result of...
(CNN) When Jessica Roberts heard that a fire ignited roughly 4 miles from where the Camp Fire started...
(CNN) Between midnight and dawn on Wednesday and Thursday (July 28 -- 29), the Delta Aquariids meteor...
(CNN) The handprints on the ceiling of an Indonesian cave are among the earliest known to archaeologist...
Manavgat, Turkey (CNN) In the small village of Kacarlar, on Turkey's southern coast, farmers are facing...
(CNN) Greenland is experiencing its most significant melting event of the year as temperatures in the...
(CNN) Teams are working to clean up an oil spill that happened during work on the Golden Ray shipwreck...
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(CNN) The International Space Station was due to get a powerful upgrade on Wednesday, but "technica...
New York (CNN Business) SpaceX just launched another test flight of an early Mars rocket prototype at...