[ad_1] A trial in California is testing a machine designed to reflect sunlight back into space. “All my colleagues hope that we never use these things,” one researcher said. [ad_2]

MoreTo Slow Global Warming, Scientists Test Solar Geoengineering

[ad_1] The independent presidential candidate stepped up his attacks on President Biden over perceived social media “censorship,” echoing Donald Trump’s wild claim that Mr. Biden is the true threat. [ad_2]

MoreTo R.F.K. Jr., It’s Biden, Not Trump, Who’s the Bigger Threat to Democracy

[ad_1] President Biden will face another round of organized protest votes over his wartime support for Israel on Tuesday, when New York and three other states hold presidential primaries. The

MoreBiden Critics Push Democrats to Submit Blank Ballots in New York

[ad_1] President Biden on Tuesday called a decision by the Florida Supreme Court to uphold a restrictive abortion law “outrageous” and “extreme,” saying that it had effectively eliminated access to

MoreBiden Assails ‘Outrageous’ Florida Abortion Ruling as His Campaign Blames Trump

[ad_1] The highly lethal form of avian influenza circulating the globe since 2021 has killed tens of millions of birds, forced poultry farmers in the United States to slaughter entire

MoreTo Curb Bird Flu, Taxpayers Pay Millions to Kill Poultry. Is It Needed?

[ad_1] On March 1, 1888, a buyer for the department store Edward Ridley & Sons in New York City made an error. For $1,200, the buyer, John J. Meisinger, bought

MoreIs It a Blizzard? A Nor’easter? And What’s the Difference?

[ad_1] On some level, the human liver in the operating room at Northwestern Memorial Hospital in Chicago was alive. Blood circulating through its tissues delivered oxygen and removed waste products,

MoreThe Technique Reshaping Organ Transplantation

[ad_1] Oren Etzioni was once an optimist about artificial intelligence. Now, his nonprofit, TrueMedia.org, is offering tools for fighting A.I.-manipulated content. [ad_2] Source link Credit: NYTimes.com

[ad_1] President Biden spoke with Xi Jinping, China’s leader, in a call on Tuesday morning that was aimed at addressing a wide range of combative and cooperative issues, as the

MoreBiden Talks to Xi About Conflicts, From Ukraine to the Pacific

[ad_1] Former President Donald J. Trump will campaign on immigration and border policy today with events planned in Michigan and Wisconsin, two crucial battleground states in the Midwest. Mr. Trump

MoreTrump to Focus on Border as Democrats Eye Boost From Florida Abortion Ruling

[ad_1] Tesla, which has been accustomed to brisk growth, reported a drop in car sales during the first three months of the year as models from other automakers appeared to

MoreTesla’s Sales Fell in First Quarter as Competition Intensified

[ad_1] Representative Ruben Gallego, the expected Democratic nominee for Senate in Arizona, raised $7.5 million in the first three months of the year, his campaign said on Tuesday, a significant

MoreRuben Gallego, Democratic Senate Candidate in Arizona, Raises $7.5 Million