In the Obama administration’s last days, some White House officials scrambled to spread information about Russian efforts to undermine the presidential election — and about possible contacts between associates of President-elect Donald J. Trump and Russians — across the government.
Former American officials say they had two aims: to ensure that such meddling isn’t duplicated in future American or European elections, and to leave a clear trail of intelligence for government investigators.




Tiny, tubular structures uncovered in ancient Canadian rocks could be remnants of some of the earliest life on Earth, scientists say.
Three million Americans, primarily in Oklahoma and Kansas, are at risk from human-induced earthquakes this year, the U.S. Geological Survey said Wednesday.
The World Health Organization has issued a list of the top dozen bacteria most dangerous to humans, warning that doctors are fast running out of treatment options.
One in five species on Earth now faces extinction, and that will rise to 50% by the end of the century unless urgent action is taken. That is the stark view of the world’s leading biologists, ecologists and economists who will gather on Monday to determine the social and economic changes needed to save the planet’s biosphere.





























