The computing power of quantum computers is immense compared to what regular desktops or laptops can do, but the technology is still theoretical rather than practical. Researchers are trying to test the computers' specialized setups to uncover new ways to sustain the quantum bits — called "qubits" — that keep them running.

Solar energy is now cheaper than retail energy in all but one of Australia's capital cities, and 20 new large-scale solar projects are expected to come online in the country in 2017. This trend in Australia is being reflected worldwide, with the cost of solar dropping 58% globally in the past five years and the solar industry now employing more people than coal.

Yesterday, SpaceX founder and CEO Elon Musk said that his private spaceflight company would have a notable announcement today at 4pm EST (1pm GMT). It seems that humans are going back to the Moon. Here's what you need to know about this new revelation and what it means in relation to humanity's journey into the cosmos.

Today, 20 percent of all species are at risk of being wiped out, scientists at a Vatican conference on biodiversity warn, and that number may rise to nearly 50 percent by the end of the century.