September 23, 2019 NASA emails reveal space agency unaware of ‘city-killer’ asteroid until last moment: 'This one did sneak up on us' Internal emails from NASA show that the space agency was unaware of asteroid 2019 OK, described as a "city killer," until the last moment on July 24.
September 23, 2019 Huge asteroid triggered ancient ice age after dust blocked sunlight for 2M years An ancient asteroid collision may have filled the atmosphere with enough dust to trigger an ice age, scientists claim.
September 20, 2019 Newly discovered interstellar visitor could be intercepted, study says It's been nearly a month since the second interstellar object, C/2019 Q4 (Borisov), was detected. And this newly identified object could potentially be studied, according to a new study.
September 18, 2019 Asteroid dust may have triggered massive explosion of life on Earth 466 million years ago Nearly half a billion years ago, there was a huge explosion of species development on Earth, causing the biodiversity of animals to increase dramatically -- but the true cause of that event has remained a mystery.
September 13, 2019 Friday the 13th sees 3 gigantic asteroids flying past Earth: NASA It may be Friday the 13th, but don't let the thought of a killer asteroid scare you.
September 10, 2019 Scientists uncover new evidence of the asteroid that killed off the dinosaurs Drilling into the seafloor off Mexico, scientists have extracted a unique geologic record of the single worst day in the history of life on Earth, when a city-sized asteroid smashed into the planet 65 million years ago, wiping out the dinosaurs and three-quarters of all other life.
September 3, 2019 Remnants of ancient planet just found in famous meteorite Though it was discovered in the Australian outback in the 1950s and studied since then, researchers have just found a surprising result buried inside the Wedderburn meteorite — remnants of an ancient planet.
August 27, 2019 Japan's Hayabusa2 asteroid probe packs its space-rock bag for return to Earth Japan's Hayabusa2 spacecraft has packed up the capsule that will ferry its precious space-rock cargo back to Earth in preparation to leave the asteroid Ryugu later this year.
August 26, 2019 Asteroid just under the size of the world's tallest building set to fly past Earth next month An asteroid that is slightly shorter than the world's tallest building, Burj Khalifa, is set to harmlessly fly past Earth next month.
August 19, 2019 Elon Musk concerned we have 'no defense' against potential killer asteroid SpaceX CEO Elon Musk said that a large asteroid will eventually hit Earth and his concern is that "we currently have no defense" against it.
