<p>The launch, when it comes, will mark the 12th flight test of Starship and the first demonstration of its V3 design—a new attempt could come as soon as Friday</p>
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<p>Constructed by ancient Egyptians, the Great Pyramid has survived multiple earthquakes through the ages—now researchers think they know why</p>
<p>These critters were carrying the Sin Nombre variant of hantavirus, which can be spread from rodents to humans but not from one person to another</p>
<p>An out-of-this-world weather report from NASA’s James Webb Space Telescope reveals how clouds move across a giant planet hundreds of light-years from Earth</p>
<p>Experts question this study’s design and its recommendations—and point out that you probably get more exercise than you think</p>
<p>Gold doesn’t tarnish like similar metals do. A new paper says that the key is the intricate “herringbone” pattern of its atoms.</p>
<p>This year’s expected El Niño could hamper hurricanes in the Atlantic but boost them in the central and eastern Pacific</p>
<p>While drugs such as Wegovy target a single gut hormone, retatrutide is among a new class of GLP drugs that aims at three hormone receptors</p>
<p>The chatbot’s result for the 80-year-old “unit distance” conjecture is the first AI proof that would likely be published in math’s top journal if humans had done it alone</p>
<p>This eerily simple math says our days are numbered—and nobody can agree why it’s wrong</p>
<p>Thursday's flight could be the most pivotal test of the Starship megarocket</p>
<p>The wobbly, lanky arachnids known as harvestmen or daddy longlegs may be overlooked as predators of small vertebrates such as frogs, researchers say</p>
<p>The science of de-extinction does not exist, but Colossal Bioscience’s “artificial egg” is an interesting technical feat</p>
<p>The Trump administration warned that too much screen time for children is linked to poor sleep, bad behavior and less physical and social activity</p>
<p>A deadly Ebola outbreak in parts of Africa is raising international alarm. Still, experts stress that the chance of a pandemic is low</p>
<p>New trove of fossils reveals that ancestral animals likely emerged in the deep sea</p>
<p>A decade after Ebola vaccines changed outbreak response, a new epidemic in central Africa is caused by a strain the world never fully prepared for</p>
<p>NASA’s Psyche snapped images as it flew by Mars last week. The spacecraft used the planet’s gravity to give itself a boost on its journey toward its target asteroid</p>
<p>Denver’s hockey team is studded with stars, but training and playing the game some 5,000 feet above sea level may give their athletic performance a boost over that of their rivals</p>
<p>Nuclear power could enable long-term lunar missions, but NASA’s timeline may be too ambitious</p>
<p>Some extinct human ancestors and modern-day apes appear to share wrist traits that raise the question of whether our last common ancestor walked on its knuckles</p>
<p>A Bermuda High parked over the western Atlantic is pulling sweltering air up from the South, challenging records in parts of the eastern U.S.</p>
<p>March was a scorching 9.35 degrees Fahrenheit hotter than the 20th-century average for the month, capping the hottest 12-month stretch for the U.S. since records began in 1895</p>
<p>SpaceX is now targeting the evening of Thursday, May 21 to launch the latest and largest version of its Starship megarocket for the first time</p>
<p><i>Scientific American</i> spoke to one of the people who are currently being monitored for possible hantavirus infection at the National Quarantine Unit in Nebraska</p>