In my previous column I described the system of design for icebreaking steamers that was worked out in the 1880s by naval ...

Ukraine and Russia each returned 175 prisoners of war in one of the largest exchanges of the war; Trump held a call with Volodymyr Zelenskyy to fill him in on his chat with Putin the day before ...

Lake Baikal measures 12,239 square miles (31,700 square kilometers), making it Earth's seventh-largest lake.It is not only the world's oldest lake but also the deepest one, at about 1 mile (1.6 ...