Meteor lights up the skies in western Pennsylvania – CBS Pittsburgh

[ad_1] PITTSBURGH (KDKA) – There were several reports of a green fireball or meteor crossing the western Pennsylvania sky on Tuesday evening. (Photo credit: Danielle Kory / Twitter) According to KDKA meteorologist Ray Petelin, this was likely part of the draconid meteor shower. It is a short-lived meteor shower that usually occurs in early October. … Read more

NASA reshuffles astronaut crew assignments amid ongoing Boeing delays

[ad_1] Two NASA astronauts who were originally scheduled to embark on an upcoming flight of Boeing’s new Starliner spacecraft have been reassigned to an upcoming SpaceX flight instead, as delays continue to push back Starliner’s next flight into space. Astronauts Nicole Mann and Josh Cassada were believed to be among the Starliner’s first human passengers … Read more

Extinction and origin patterns change after mass extinctions

[ad_1] A trilobite fossil from the Ordovician period, which lasted around 485 to 443 million years ago. A new analysis of marine fossils from most of the past half billion years shows that the usual rules for the evolution of body size change during mass extinctions and their recoveries. Credit: Smithsonian Scientists at Stanford University … Read more

A “once in a lifetime” tardigrade found in ancient amber

[ad_1] The eight-legged microscopic invertebrates that resemble spongy bears are among the most resilient creatures on Earth, with the ability to survive decades without food, extreme temperatures, and even in the vacuum of space. Fossils of the creatures are extremely rare, with only two found in history – so far. In a new study released … Read more

NASA reassigns astronauts from delayed Boeing Starliner to SpaceX

[ad_1] Boeing’s Starliner capsule sits on an Atlas V rocket on the launch pad prior to the launch of the OFT-2 mission. United launch alliance NASA has moved a pair of astronauts from Boeing’s first two crewed missions to a SpaceX mission next year, in a rare reassignment as the aerospace giant’s Starliner capsule remains … Read more

The new species of “dragon chief” dinosaur was actually the size of a chicken

[ad_1] An illustration of the new description Pendraig milnerae, the oldest known carnivorous dinosaur in the UK. Next to it are three lizard-like reptiles, known scientifically as the Clevosaurus cambrica. (Image credit: James Robbins) Hail to the ‘dragon chief’: The oldest carnivorous dinosaur ever discovered in the UK may seem monstrous, but the clawed predator … Read more