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NASA’s plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts to collect Perseverance rover
From high-wind forecasts and wildfire behavior to floods, aviation hazards, air quality and space weather, science developed at the National Center for Atmospheric Research informs
Cheetahs vanished from Saudi Arabia half a century ago. Now long-dead mummified big cats may help herald their return.
Large subduction-zone earthquakes leave scars on the continental slope in the deep sea.
Seismic tremors reveal a shallow fragment of an ancient tectonic plate beneath Northern California, helping explain damaging earthquakes near the surface.
Solve the math puzzle from our February 2026 issue, where we plan a return passage for a robotic explorer that doesn’t want to explore.
NASA’s crawler-transporter 2 moves toward the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida on Friday, Jan. 9, 2026. The crawler will transport
Just as there’s no single best way to organize your bookshelf, there’s no one-size-fits-all solution to storing information. Consider the simple situation where you create
More than 14,000 years ago, a wolf pup ate a piece of woolly rhino. Scientists have analyzed the rhino’s DNA to figure out why it
In the weeks following a ski accident, a German man experienced seizures when he completed sudoku puzzles.
Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren’t planets at all, but tiny black holes in
Arabian cheetah mummies’ DNA reveals that the long-lost population could be closely replaced by a cheetah population in northwestern Africa.
Our best models of the cosmos don’t add up — but that could change if the universe is actually made of a viscous ‘fluid,’ a
The 2026 breeding season for endangered kākāpō could produce the most chicks in decades.
