News Snapshot:
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN — The year ahead promises to deliver some spectacular pursuits, pushing human and scientific exploration of the cosmos further than it’s gone in decades. The visions are grand: NASA plans to send astronauts on a lunar fly-by mission that will travel deeper into the solar system than anyone has ventured in more than 50 years. The US space agency and its allies are mapping out ways to establish a permanent settlement, while countries including Russia and China are chasing...