Reliable time travel might take a while

Time, you slippery bastard — the immutable aspect of reality cannot be controlled any more closely than one can stifle the flow of sand through a tightly…

Read more

Australia aims to launch locally-made hybrid rockets by 2022

Australia is increasingly keen on greater independence in spaceflight. The University of Queensland and Gilmour Space are moving forward on a domestically-made “next-generation” hybrid rocket that could…

Read more