An international team of astronomers on Wednesday unveiled the most compelling evidence to date that dark energy — a mysterious phenomenon pushing our universe to expand ever faster — is not a constant force of nature but one that ebbs and flows through cosmic time. Dark energy, the new measurement suggests, may not resign our … Read more
A North Dakota jury on Wednesday awarded hundreds of millions of dollars in damages to the Texas-based pipeline company Energy Transfer, which had sued Greenpeace over its role in protests nearly a decade ago against its Dakota Access Pipeline. The verdict was a major blow to the storied environmental organization. Greenpeace had maintained that it … Read more
During his first term, President Donald J. Trump unveiled a bold initiative to end the H.I.V. epidemic in the United States by 2030 by focusing on 57 jurisdictions with the most urgent needs. The plan, which Mr. Trump announced in 2019 at a State of the Union address, surprised advocacy groups. But it was widely … Read more
In the last few years, foodborne pathogens have had devastating consequences that alarmed the public. Bacteria in infant formula sickened babies. Deli meat ridden with listeria killed 10 people and led to 60 hospitalizations in 19 states. Lead-laden applesauce pouches poisoned young children. In each outbreak, state and federal officials connected the dots from each … Read more
new video loaded: NASA Astronauts Finally Return to Earth, Almost 9 Months Delayed transcript Back transcript NASA Astronauts Finally Return to Earth, Almost 9 Months Delayed A SpaceX capsule carrying two NASA astronauts, Butch Wilmore and Suni Williams, splashed down off Florida’s Gulf Coast on Tuesday, concluding their unexpectedly long stay in space. “And there … Read more
SpaceX and the Coast Guard work together to try to keep civilian boaters away from returning spacecraft after astronauts splash down in the water. But on Tuesday night, they could not do anything about a pod of curious dolphins. A handful of the marine mammals swam up to a recovery boat that was set to … Read more
With the addition of 2024, yet another record-hot year, the past 10 years have been the 10 hottest in nearly 200 years of record-keeping, the World Meteorological Organization reports. “That’s never happened before,” said Chris Hewitt, the director of the W.M.O.’s climate services division. It marks the first time since record keeping began that all … Read more
Robert F. Kennedy Jr., the nation’s top health official, has an unorthodox idea for tackling the bird flu bedeviling U.S. poultry farms. Let the virus rip. Instead of culling birds when the infection is discovered, farmers “should consider maybe the possibility of letting it run through the flock so that we can identify the birds, … Read more
The NASA astronauts Suni Williams and Butch Wilmore are finally on their way back to Earth after nine months at the International Space Station. But they were not the first to stay unexpectedly in space (much) longer than planned. Here are some other notable examples: On May 18, 1991, Sergei Krikalev set off into space … Read more
Butch Wilmore and Suni Williams have nearly half a century of combined experience as astronauts. But this is just their third time in space. Ms. Williams was born in Ohio but grew up in Massachusetts. She was a test pilot in the U.S. Navy and has spent more than 3,000 hours flying 30 different aircraft. … Read more