North Korea claimed Saturday that South Korea infringed on its sovereignty with drone incursions in September last year and earlier this week, saying that Seoul should be ready to "pay a high price" ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...

It would be hard to blame someone who woke up Saturday morning — seeing the news that the United States had invaded Venezuela and exfiltrated its dictatorial ruler — and thought he or she might still ...

Oil prices barely budged after the U.S. ousted Venezuela’s Nicolás Maduro and President Trump pledged billions to revive the country’s oil infrastructure. WSJ’s David Uberti breaks down the market ...