As President Donald Trump makes a very public effort to acquire Greenland, one former Danish officia

JEJU ISLAND, South Korea—Seventy-year-old Hwang Gyesook has been diving into the chilly waters of th

KYIV, Ukraine — U.S. Treasury Secretary Janet Yellen made a surprise visit to Ukraine Monday, in whi

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Scientists and global leaders revealed on Tuesday that the "Doomsday Clock" has been reset to the cl

JEJU ISLAND, South Korea—Seventy-year-old Hwang Gyesook has been diving into the chilly waters of th

Colleagues and loved ones are mourning the loss of Dylan Lyons, a television journalist who was shot

SCIENCEClimate Change Means Smaller Birds With Longer WingsBirds in the Amazon are getting smaller b

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Further details about the passengers of the OceanGate's Titanic submersible have emerged days after

The Biden administration promises to restart U.S. progress on clean energy and climate policy, after

For clean energy advocates who vividly recall breakthrough state elections across the country in 201

The Trump administration is offering nearly all federal workers the opportunity to resign from their

As the world’s governments try to raise their collective climate ambitions, one of the biggest quest

A small Texas city west of Austin remains under tight water restrictions amid a significant drought.