Before humans can settle off-Earth, scientists need to figure out how — or even whether — people can reproduce in space.
Why it matters: Powerful figures in the space industry like Elon Musk and Jeff Bezos have dreams of a future where millions of people live in space, which would naturally require a self-sustaining population of humans somewhere other than Earth.
Blizzard warnings are in effect for 11 million people from coastal Virginia to eastern Maine as a historic winter storm is set to slam the Mid-Atlantic and Northeast beginning Friday.
Why it matters: The storm will bring hazards ranging from zero visibility amid hurricane force wind gusts and heavy snow, to coastal flooding that will erode vulnerable beaches and threaten property from the Jersey shore to coastal Massachusetts.
Nearly 45 million Americans are under winter weather alerts and warnings from North Carolina to northeastern Maine, as a major winter storm threatens the region.
Why it matters: It is predicted to be the biggest blizzard since 2018 to strike the Northeast with more than 2 feet of snow possible in parts of eastern Massachusetts, according to the National Weather Service.
Australian Prime Minister Scott Morrison announced Friday a AU$1 billion ($703 million) investment plan for the Great Barrier Reef.
Why it matters: The nine-year plan for projects including water quality improvement, reef conservation and supporting some 64,000 tourism jobs comes months ahead of this year's federal election. It has been criticized by scientists and environmental groups for failing to tackle climate change.