Tiny, tubular structures uncovered in ancient Canadian rocks could be remnants of some of the earliest life on Earth, scientists say.
The straw-shaped “microfossils,” narrower than the width of a human hair and invisible to the naked eye, are believed to come from ancient microbes, according to a new study in the journal Nature. Scientists debate the age of the specimens, but the authors' youngest estimate — 3.77 billion years — would make these fossils the oldest ever found.
Newfound 3.77-billion-year-old fossils could be earliest evidence of life on Earth
Antarctica hits record high temperature at balmy 63.5°F
An Argentine research base near the northern tip of the Antarctic peninsula has set a heat record at a balmy 63.5° Fahrenheit (17.5 degrees Celsius), the U.N. weather agency said on Wednesday.
The Experanza base set the high on March 24, 2015, the World Meteorological Organization (WMO) said after reviewing data around Antarctica to set benchmarks to help track future global warming and natural variations.
3 million Americans at risk from human-induced earthquakes this year
Three million Americans, primarily in Oklahoma and Kansas, are at risk from human-induced earthquakes this year, the U.S. Geological Survey said Wednesday.
That's the conclusion of a new report that cites wastewater disposal from fracking as triggering the quakes. The number of Americans affected this year is less than last year, when the agency reported 7 million were at risk.
Supreme Court mainly rules for black voters in Virginia case
The Supreme Court is mainly ruling for African-Americans in Virginia who say lawmakers packed 12 legislative districts with black voters to make other districts whiter and more Republican.
The justices said Wednesday that a lower court that upheld the 12 districts used the wrong legal standard when it determined that race did not play too large a role in creating the districts.
Trump executive order scraps EPA water rule
President Trump signed an executive order Tuesday scrapping a controversial Environmental Protection Agency rule that expanded the agency's jurisdiction over the nation's waterways during the second term of former President Obama.
The regulation, known as the Waters of the U.S. rule, broadened the definition of the type of water body that would fall under EPA's formidable clean water enforcement powers, making everything from streams to ditches and watering holes subject to the EPA's and Army Corps of Engineers' oversight.
The dirty dozen: UN issues list of 12 most worrying bacteria
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.
In a press briefing on Monday, the U.N. health agency said its list is meant to promote the development of medicines for the most worrying drug-resistant bacteria, including salmonella and Staphylococcus aureus.
U.S. considers quitting U.N. Human Rights Council
The Trump administration is considering pulling the United States out of the United Nations Human Rights Council, a body that has been accused of being biased against Israel and criticized for including abusive governments, according to two sources in regular contact with former and current U.S. officials.
No immediate withdrawal is expected ahead of the council’s next session, which starts Monday, but discussion of abandoning the council is likely to alarm international activists already worried that the United States will take a lower profile on global human rights issues under President Donald Trump.
Biologists say half of all species could be extinct by end of century
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.
“The living fabric of the world is slipping through our fingers without our showing much sign of caring,” say the organisers of the Biological Extinction conference held at the Vatican this week.
Trump administration asked intelligence officials, key lawmakers to counter Russia stories
The Trump administration has enlisted senior members of the intelligence community and Congress in efforts to counter news stories about Trump associates' ties to Russia, a politically charged issue that has been under investigation by the FBI as well as lawmakers now defending the White House.
Acting at the behest of the White House, the officials made calls to news organizations last week in attempts to challenge stories about alleged contacts between members of President Donald Trump's campaign team and Russian intelligence operatives, U.S. officials said.
Page 175 of 1155
