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The Nuvvuagittuq Greenstone Belt in Canada may contain the world’s oldest rocks Jonathan O’Neil Just over 4 billion years ago, magma from Earth’s mantle infiltrated a fracture in the young planet’s primordial crust. Over the following aeons, nearly all of the planet’s early crust melted back into the mantle except for a small area around Continue Reading
Some ash trees have genetic variants that confer partial resistance to ash dieback FLPA / Alamy Ash trees in the UK are rapidly evolving resistance in response to ash dieback disease, DNA sequencing of hundreds of trees has shown. The finding is good news, says Richard Buggs at the Royal Botanic Gardens, Kew, in the Continue Reading
Cats prefer to sleep on their left side. This is the conclusion drawn by an international research team that ***yzed several hundred YouTube videos of sleeping cats. The researchers see this bias as an evolutionary advantage because it favors hunting and escape behavior after waking up. The team from the University of Bari Aldo Moro Continue Reading
The Andromeda galaxy, also known as Messier 31 (M31), is a glittering beacon in this image released on June 25, 2025, in tribute to the groundbreaking legacy of astronomer Dr. Vera Rubin, whose observations transformed our understanding of the universe. In the 1960s, Rubin and her colleagues studied M31 and determined that there was some unseen Continue Reading
(Left) GPS tracking and modeling of ocean currents toward the end of the experimental voyage. (Right) The team on the water around the time of the left image. Credit: Kaifu et al., 2025/CC-By-ND At the 30-hour mark, the captain ordered the entire crew to rest, letting the dugout drift freely for a while, which fortunately Continue Reading
In autumn 2024, California’s Monterey Bay experienced an outsized phytoplankton bloom that attracted fish, dolphins, whales, seabirds, and – for a few weeks in October – scientists. A team from NASA’s Ames Research Center in Silicon Valley, with partners at the University of California, Santa Cruz (UCSC), and the Naval Postgraduate School, spent two weeks Continue Reading
When two stars orbit one another in such a way that one blocks the other’s light each time it swings around, that’s an eclipsing binary. A new paper from NASA’s Eclipsing Binary Patrol citizen science project presents more than 10,000 of these rare pairs – 10,001 to be precise. These objects will help future researchers study Continue Reading
Since childhood, Derrick Bailey always had an early fascination with aeronautics. Military fighter jet pilots were his childhood heroes, and he dreamed of joining the aerospace industry. This pblockion was a springboard into his 17-year career at NASA, where Bailey plays an important role in enabling successful rocket launches. Bailey is the Launch Vehicle Certification Continue Reading
Tuvalu is extremely vulnerable to sea level rise Photo by Mario Tama/Getty Images How does it feel to lose your home to climate change? The roughly 10,000 residents of Tuvalu will be among the first in the world to have to confront this question. With an average height above sea level of less than 3 Continue Reading
Compared with a Mediterranean diet, dietary acid load decreased significantly on a low-fat vegan diet and was ***ociated with weight loss, according to a randomized cross-over trial conducted by the Physicians Committee for Responsible Medicine and published in Frontiers in Nutrition. “Eating acid-producing foods like meat, eggs, and dairy can increase the dietary acid load, Continue Reading
