Perseverance Mars rover figures out how devils and winds fill the Red Planet’s skies with dust

Large amounts of dust that help give the Red Planet Mars its butterscotch-pink sky is being blown into the atmosphere by whirling dust devils and occasional but powerful gusts of wind, NASA’s Perseverance rover has found. “The gust-driven lifting that Perseverance has detected in Lake Crater are the first really definitive dust-lifting event that we’ve … Read more

Morphology of Palaeospondylus shows affinity to tetrapod ancestors

Traquair, RH On the fossil fishes at Achanarras Quarry, Caithness. Ann. Mag. Night. Hist. 6479–486 (1890). Article Google Scholar Jarvik, E. Basic Structure and Evolution of Vertebrates Vol. I (Academic Press, 1980). Ahlberg, PE, Clack, JA & Lukševičs, E. Rapid braincase evolution between Panderichthys and the earliest tetrapods. Nature 38161–64 (1996). ADS CAS Article Google … Read more

Did dinosaur blood run hot or cold? Long-standing question may finally have an answer

This illustration depicts, from left, plesiosaurus, stegosaurus, diplodocus, allosaurus and calypte (modern hummingbird), with red hues indicating warm-bloodedness and blue hues for cold-bloodedness. (J. Wiemann) Estimated read time: 4-5 minutes ATLANTA – Fearsome predators like T. rex and towering, telescope-necked dinosaurs, such as brachiosaurus, were warm-blooded creatures in the same way birds and mammals are, … Read more

Did NASA Just Find A Mysterious Doorway On Mars? All You Need To Know

Last week NASA’s Curiosity rover took a photo which appeared to show a doorway on Mars Sydney: For the past ten years, NASA’s Curiosity rover has been trundling around the surface of Mars, taking photos in its quest to understand the history and geology of the red planet and perhaps even find signs of life. … Read more

Chemical clues reveal dinosaur metabolism

Schematic drawing of a subset of the animals that were investigated as part of the study. Metabolic rates and resulting thermophysiological strategies are color-coded, orange hues characterize high metabolic rates coinciding with warm-bloodedness, and blue hues characterize low-metabolic rates coinciding with cold-bloodedness. From left to right: Plesiosaurus, Stegosaurus, Diplodocus, Allosaurus, Calypte (modern hummingbird). Credit: J. … Read more

Tau Herculids meteor shower could unleash 1,000 shooting stars per hour

Placeholder while article actions load Astronomers are reporting that there’s a chance that a “meteor storm” could occur next Monday night. It probably will not happen, but if it does, the display could be absolutely otherworldly. The forthcoming Tau Herculid meteor shower ordinarily results in just a trickle of shooting stars between mid-May and mid-June, … Read more