Polar tourism researchers Zdenka Sokolickova and Liz Cooper talk about why a number of Antarctic tour guides have given up what they still consider to be their dream job.
As water levels on the Colorado River fall to historic lows, a rafting trip through the canyon feels even more precious.
A reworking of the spacecraft’s power systems could extend the nearly 50-year-old Voyagers’ exploration of interstellar space into the early 2030s.
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What if the secret to drought-resistant crops isn't how much water plants use, but when they use it? A new study identifies a daily window that could help breeders develop tomatoes that better withstand drought without sacrificing yield.
"WHALE AT ONE O'CLOCK! " Eager cruise passengers zipping around New York's southern shores rush to the starboard bow: A humpback whale is up for air, a breathtaking sighting set against Manhattan's iconic skyline.