Burst

Cambrian explosion: First burst of animal evolution altered chemical makeup of Earth’s mantle

by

The Cambrian explosion 500 million years ago saw a huge variety of animals evolve – and also led to carbon being buried in the seabed and ultimately carried into the planet’s mantle Earth 4 March 2022 By Michael Marshall The explosion of new species in the Cambrian period saw the emergence of many familiar groups … Read more

Mysterious repeating fast radio burst from space looks strangely familiar, scientists realize

by

Scientists got a strange sense of déjà vu when they took a close look at a mysterious series of bright flashes in a galaxy just 12 million light-years away. The flashes, known as a repeating fast radio burst (FRB), appear surprisingly similar to flashes found in the Crab Nebula. The Crab Nebula is a famous … Read more

Mysterious Repeating Fast Radio Burst Traced to Very Unexpected Location

by

A recently discovered repeating fast radio burst (FRB) named FRB 20200120E is deepening the mystery of these already deeply mysterious space signals. Astronomers have tracked its location to a galaxy 11.7 million light-years away, which makes it the closest known extragalactic fast radio burst, 40 times closer than the next-closest extragalactic signal.   But it … Read more