North Korea is a major military threat to the US and its Asian allies, but exactly how powerful are its nuclear weapons? An earth scientist explains why it's hard to answer this question.
The Confederate flag debate has arrived to Brazil, pitting black activists against the Brazilian descendants of soldiers who fled the South after the Civil War to a country that still had slavery.
Only a small share of the vehicles Americans buy are electric. Even if all of them were, it would take until 2040 to phase out the fossil fuels used to power personal travel and road-bound freight.
Findings suggest that the demand for rhino horn is unlikely to fall because people's beliefs are firmly entrenched.
Explaining the equipment and the process by which hundreds of millions of ballots are collected and counted in India.
Dead five centuries, Leonardo retains a rock star's fame, well known around the world by just one name. Here, some facts about the man and his legacy.
Alarm bells went off when several recent studies reported mass insect die-offs in different parts of the world. But reports of an 'insect apocalypse' have been greatly exaggerated.
Internet blackouts deprive people of impartial information and crucial connections with loved ones, without delivering improved safety or stability.
The particles traveled through the atmosphere and were blown into the once-pristine region by the wind, according to a new study published in Nature Geoscience.
The Mueller report reveals that some US citizens helped Russian government agents organize real-life events, aiding Russia's propaganda campaign. Don't be like them.