Squaring — multiplying a number by itself — seems harmless, but repeat it long enough and it becomes a mathematical explosion. What begins as 2² quickly turns into 2⁴, 2⁸, 2¹⁶ — racing past the limits ...

India's wild elephant population has been estimated at 22,446, lower than the 2017 figure of 27,312, according to the country's first-ever DNA-based count. The All-India Synchronous Elephant ...

Salty black water laden with contaminants erupted from an orphaned well in West Texas in February — the latest in a series of deserted oil and gas wells leaking toxic water in a threat to groundwater.