By Dani Blum The World Health Organization declared mpox a global health emergency last month. The virus, formerly known as monkeypox, is...

By Emily Laber-Warren Jodi Wellman was devastated when her mother died of a heart attack at age 58. Cleaning out her apartment made her...

By Becky Ferreira Scientists have discovered new evidence that the rock that slammed into Earth 66 million years ago, abruptly ending the age of dinosaurs, was a bit of an oddball. The nature of this apocalyptic object, known as the Chicxulub impactor, has inspired intense debates, including a long-running dispute over whether it was a comet or an asteroid. But evidence has been mounting in recent years that the roughly 6-mile-wide impactor belonged to a family of asteroids t

By Emily Baumgaertner Jason Moyer was days away from a family road trip to visit his parents when his 10-year-old son woke up with a...

By Alexandra E. Petri They may be an ocean apart, but dinosaur footprints found in South America and Africa are so similar that their discovery suggests dinosaurs may have roamed a narrow corridor that connected the two continents before they split. Researchers found more than 260 footprints more than 3,700 miles apart in Brazil and Cameroon that were preserved in mud and silt where ancient rivers and lakes once stood, according to a study published last Monday by the New Mex

By Kenneth Chang Two astronauts who have spent months aboard the International Space Station will have to stay there months longer after NASA decided over the weekend they could not return on Boeing’s troubled Starliner space vehicle. They will return instead on a SpaceX capsule next year. That decision finally brings clarity to the saga of the two NASA astronauts, Suni Williams and Butch Wilmore, who docked at the space station as part of a test flight of the Boeing vehicle.

By Kate Selig After a string of scorching days in June 2023, the body of an 88-year-old man was discovered in his home in Maricopa...

By Kenneth Chang If you go somewhere expecting an eight-day trip and end up not being able to leave for eight months, most people would...

By Apoorva Mandavilli The rapid spread of mpox, formerly called monkeypox, in African countries constitutes a global health emergency,...

By Remy Tumin For more than 30 years, the world’s largest iceberg was stuck in the Antarctic. Five times the size of New York City’s land area and more than 1,000 feet deep, the mammoth piece of ice finally became loose in 2020 and began a slow drift toward the Southern Ocean. Now, A23a, as it’s known, is spinning in place. After leaving Antarctic waters, the iceberg got stuck in a vortex over a seamount, or an underwater mountain. Imagine a piece of ice about 1,500 square mi