While many theories have suggested that comets and asteroids brought water to Earth after its formation, a new study proposes a bold alternative: Earth’s core might be storing the equivalent of 45 oceans of water as hydrogen. The study, led by Motohiko Murakami at ETH Zurich, offers a novel look into the conditions of the
Palaeontologists have discovered a colossal new species of dinosaur in a remote part of the Sahara. Named Spinosaurus mirabilis – meaning ‘astonishing’ Spinosaurus in Latin – the giant lived in what is now Niger more than 95 million years ago, far from the coastal regions where similar fish-hunting dinosaurs are usually found. As long as
All galaxies are dominated by dark matter, an invisible “stuff” that outweighs all of the matter comprising stars, planets, and moons by around five to one. But in some galaxies, dark matter takes this domination to the extreme. Using the Hubble Space Telescope along with the Euclid Space Telescope, astronomers have discovered what seems to
This view from the SpaceX Dragon Endeavour spacecraft shows Boeing’s Starliner docked to the International Space Station on July 3, 2024. NASA hide caption toggle caption NASA NASA Administrator Jared Isaacman is blaming Boeing and his own agency for botching a test flight of the Starliner spacecraft, designed to take astronauts to and from the
For the first time since the early 20th century, indisputable evidence of a new species of Spinosaurus has been found. This latest discovery, made by a 20-person team led by the University of Chicago’s Paul Sereno, includes jaw fragments, several teeth and three scimitar-shaped head crests. The first of these crests was unearthed in 2019; three
It is a proposition that strains credulity: that a person can stand, in ordinary hiking boots, on material that once resided dozens of kilometres below the Earth’s surface. The planet’s mantle, the 2,900 kilometre thick layer of solid rock between the crust and the core, is ordinarily accessible only through the indirect evidence of seismology
We are living in the age of maximum AI hype: A superintelligence that surpasses humanity is going to emerge at any moment, according to the most breathless corners of the tech world. There are basic technical grounds to be skeptical of that claim, but beyond that, a much deeper issue lies at the boundary between
Gravity, one of the four fundamental forces of nature, keeps us down to Earth (literally), but our body’s relationship to it could explain our susceptibility to some common health conditions — for instance, irritable bowel syndrome. At least, that’s what Dr. Brennan Spiegel, director of health services research at Cedars-Sinai, proposes in his new book,
A new Spinosaurus species has been unearthed from the Saharan desert, and its skull bears a magnificent crest never seen before on this kind of dinosaur. Paleontologists have named it Spinosaurus mirabilis, meaning ‘wonderful spine lizard’. We heartily agree. Paleoartist rendering of Spinosaurus mirabilis eating a coelacanth. (Dani Navarro) The discovery reveals more than just
Far beyond our solar system, in the distant Pegasus constellation, lies a star system that is reshaping our understanding of planetary formation. HR 8799, located 129 light-years away, is home to a rare group of super-Jupiters, gas giants that are much larger than our own Jupiter. These planets, orbiting far from their star, present a