Browsing: earth

March 19, 20264 min read Add Us On GoogleAdd SciAmWhen did plate tectonics on Earth begin? New research finds some of the earliest cluesScientists have found…

Parts of a giant Nasa satellite will crash to Earth on Tuesday evening, the US space agency is warning – but the chance of being struck…

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.Better known as Deinococcus radiodurans, this microbe is…

Would I like to write about my favourite place?The invitation inspired me to recall so many magical places – from north-east Arnhem Land to Mediterranean island…

During the ”snowball Earth” period about 700m years ago, Earth’s climate shut down. The planet was encased in ice and insulated from seasonal variations: spring, summer,…

In last week’s The Universe column, I fielded a reader’s question about galaxy collisions in an expanding universe. The answer deals with vast distances, inscrutable forces…

The world is closer than thought to a “point of no return” after which runaway global heating cannot be stopped, scientists have said.Continued global heating could…

Warming is accelerating, threatening a cascade of tipping points that destabilize the climate. In a new paper, scientists say the risk of “hothouse Earth” is greater…

January 30, 20263 min read Add Us On GoogleAdd SciAmAnother Earth or a blip in the data? We may never find outAn exoplanet called HD 137010…

January 21, 20264 min read Add Us On GoogleAdd SciAmSonic booms can protect Earth from dangerous space junkScientists are using technology developed to study earthquakes to…