Vera Rubin Observatory unveiled first images: millions of galaxies captured in just 10 hours of observation.

Forces of tourism on one hand and climate change on the other are posing huge challenges for these marginal environments.

The damage to a centuries-old painting in the Italian museum was just one of many tourist incidents raising ire on the ...

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Captain Manmohan Singh Kohli, a pioneering Indian mountaineer, passed away on June 23 at the age of 93. Celebrated for ...

The Vera C. Rubin observatory in Chile harbors the world’s most powerful digital camera, which is now being used to photograph space in unparalleled detail — and quickly. Andy Lawrence, the Regius ...

Ever since a British officer in 1903 captured what is believed to be the first image of Mount Everest, photographers have been striving to take iconic pictures of the world’s highest mountain ...

Leaders arrived Monday for the start of a three-day Group of Seven summit hosted by Canada in its Rocky Mountains. Countries ...

Experts warn that rising temperatures in Nepal may be driving snakes to higher altitudes, indicating a potential impact of ...

A new panorama from NASA's Mars Odyssey orbiter shows Arsia Mons, one of the largest volcanoes on Mars, rising above a thick ...

People pass by and take photos with a tank, parked on the National Mall, during preparations for an upcoming military parade commemorating the Army's 250th anniversary and coinciding with ...