About 480 million years ago, a dazzling assortment of the variety of flavors of life emerged on Earth. There has long been speculation about what causes this abundant radiation of new species, from asteroid dust or tectonic activity, to a rise in oxygen levels in the atmosphere. Now rocks from Maryland, USA, suggest an unlikely … Read more
I’ve seen some pretty incredible things with my eyes. First, of course, there’s the stunning sight of a dark, star-filled sky, and then there’s the incredible sight of the Andromeda Galaxy 2.5 million light-years away. Of course, you can also see planets as they move slowly across the sky, but it’s a little more unusual … Read more
This article was reviewed according to Science fact checked trusted source proofread OK! A red giant star and a white dwarf orbit each other in this animation of a nova similar to T Coronae Borealis. The red giant is a large sphere in red, orange and white, with the side facing the white dwarf in … Read more
This article was reviewed according to Science fact checked peer-reviewed publication trusted source proofread OK! Credit: Pixabay/CC0 public domain × close to Credit: Pixabay/CC0 public domain One of the most consequential bursts of biodiversity on Earth—a thirty-million-year period of explosive evolutionary change that spawned countless new species—may owe its humblest of creatures to this crucial … Read more