When satellites first started peering down on the craggy, glaciated Antarctic Peninsula about 40 years ago, they saw only a few tiny patches of vegetation covering a total of about 8,000 square feet—less than a football field. But since then, the Antarctic Peninsula has warmed rapidly, and a new study shows that mosses, along with some lichen, liverworts...

Hurricane Helene's catastrophic damage and flooding to the Southeastern states may affect the country's medical supply chain. Hospitals nationwide are bracing for a possible shortage of essential intravenous fluids after the cataclysmic storm inundated a vital manufacturing plant in North Carolina. The plant is Baxter International's North Cove manufacturing...

London's Great Exhibition of 1851 attracted some 6 million people eager to experience more than 14,000 exhibitors showcasing 19th-century marvels of technology and engineering. The event took place in the Crystal Palace, a 990,000-square-foot building of cast iron and plate glass originally located in Hyde Park. And it was built in an incredible 190...

United Launch Alliance's Vulcan rocket, under contract for dozens of flights for the US military and Amazon's Kuiper broadband network, lifted off from Florida on its second test flight Friday, suffered an anomaly with one of its strap-on boosters, and still achieved a successful mission, the company said in a statement. This test flight, known as...

When a research team led by Amrit Kirpalani, a medical educator at Western University in Ontario, Canada, evaluated ChatGPT’s performance in diagnosing medical cases back in August 2024, one of the things that surprised them was the AI’s propensity to give well-structured, eloquent but blatantly wrong answers. Now, in a study recently published in...

In the outer reaches of the Solar System, beyond the ice giant Neptune, lies a ring of comets and dwarf planets known as the Kuiper Belt. The closest of these objects are billions of kilometers away. There is, however, an outer limit to the Kuiper Belt. Right? Until now, it was thought there was nothing beyond 48 AU (astronomical units) from the Sun,...