Readers discuss a guest essay about birthrates and the world’s population. Also: A citizens’ celebration for America’s 250th ...

Images released ahead of a new BBC science series depict Homo floresiensis, Homo erectus, Homo neanderthalensis plus the ...

"These are the most scientifically accurate collection of hyper-real 3D models of human species ever put on TV that we know of,” said Al-Shamahi in a release. “They haven’t been seen in the flesh for ...

Many of us have wondered what a landscape we see in a modern photograph might have looked like centuries ago. This question ...

According to the World Population Review, the world's most populous cities remain concentrated in Asia and Latin America.

Migration into the European Union pushed its population to a record 450.4 million people last year, offsetting a natural ...

The current watermark-removal neural networks (WRNNs) can effectively remove the watermarks from watermarked images without damaging their host images, which poses a significant threat to image ...