NASA’s plan to bring samples from Mars back to Earth is on hold until there’s a faster, cheaper way, space agency officials said Monday. Retrieving Mars soil and rocks has been on NASA’s to-do list for decades, but the date kept moving forward, as costs ballooned. A recent independent review put the total cost at … Read more
The Rocky Mountains conjure up images of grey rugged peaks capped with white. But within the upper reaches of the harsh mountain landscapes, a rosier hue often blooms. Watermelon snow, also known as glacial blood, is caused by algae that turns the snow a startling shade of red. The algae blooms in summer, forming on … Read more
In a converted shipping container perched oceanside in Ketch Harbour, N.S., a group of people gather to peer into tanks filled with fuzzy pieces of gravel. The rocks are covered with tiny blades of sugar kelp. Soon, the squares of steel mesh they’re fixed to will be suspended in the water at a kelp farming demonstration … Read more
In a converted shipping container perched oceanside in Ketch Harbour, N.S., a group of people gather to peer into tanks filled with fuzzy pieces of gravel. The rocks are covered with tiny blades of sugar kelp. Soon, the squares of steel mesh they’re fixed to will be suspended in the water at a kelp farming demonstration … Read more
