In a discovery that has rocked planetary science, researchers have found more than 9,300 miles of ancient river ridges on Mars, suggesting the Red Planet was once a thriving, water-rich world. These fossil riverbeds, some possibly mightier than the Ganga or Amazon, wind through Mars’ southern highlands, defying the long-held belief that the planet was mostly dry and frozen.
Led by PhD candidate Adam Losekoot at the Open University and backed by the UK Space Agency, the research focused on Noachis Terra, a region often overlooked by previous Martian studies....
The nation’s largest association of psychologists this month warned federal regulators that A.I. chatbots “masquerading” as therapists, but programmed to reinforce, rather than to...
Georgina RannardClimate and science reporterGetty ImagesA large asteroid known as 2024 YR4 has grabbed headlines this week as scientists first raised its chances of...
NASA has identified an asteroid, designated 2024 YR4, with a 3.1% chance of striking Earth on December 22, 2032, marking the most significant impact...
Dickson Despommier, a microbiologist who proposed that cities should grow food in high-rises, popularizing the term “vertical farming” — an idea that crossed over...