Earth was once a ‘waterworld’ just like the one depicted by Hollywood in the Kevin Costner blockbuster, according to new research. A global ocean covered the planet 3.2 billion years ago, when the first primitive microbes were emerging. There would have been hardly any dry land – mirroring the way it looked in Waterworld, the … Read more
Earth has a new mini-moon: Asteroid the size of a washing machine has been orbiting Earth for the past three years Astronomers tracked an asteroid in the sky and found it is orbiting Earth The asteroid, seen on Feb. 15., has now been confirmed as a mini-moon It is six to 12 feet in diameter and … Read more
The US government is developing a nuclear rocket to send satellites into the vast space between the Earth and the Moon, in a renewed space race with China. The rocket will have a nuclear thermal propulsion engine and is being developed by the Defense Advanced Research Projects Agency (DARPA) for the government. The engine uses a … Read more