Pope Leo called for Venezuela to remain an independent nation and said he was following developments after the United States' ...

It was a year that saw roughly six million Americans hold hands in a continuous (more or less) line across the country to ...

New research suggests a comet explosion helped cause ice age extinctions, sudden cooling, and the loss of early human cultures.

They now want to dig into the Moon itself, betting that lunar soil could become the feedstock for a new off‑world economy. At ...

New evidence suggests that a comet explosion over North America may have triggered a massive wave of destruction nearly ...