Phys.org news

Phys.org / Venus's polygonal plains could point to a watery past

Venus may be overwhelmingly inhospitable today, but many planetary scientists believe that it wasn't always this way. Billions of years ago, some observational evidence suggested that our planetary neighbor may have looked ...

Aug 5, 2026
Phys.org / Were there tiny dinosaurs? New study explores one of evolution's biggest mysteries

Dinosaurs are famous for being big, from the towering Tyrannosaurus rex to the colossal Apatosaurus. But a new study published today in the journal Evolution by scientists at the American Museum of Natural History and Princeton ...

Aug 5, 2026
Phys.org / Ancient armored fish that narrowly avoided meteorite strike reveals life before Earth's largest mass extinction

A rare fossil discovered near South America's largest known meteorite crater has been named a new species. Initially mistaken for a frog by locals, Leolepis matogrossensis is actually a species of ancient ray-finned fish—the ...

Aug 5, 2026
Phys.org / A new species of Ice Age toad discovered at La Brea Tar Pits: The spadefoot toad Spea labreae

For the first time, researchers have discovered a new species of extinct amphibian from Ice Age Los Angeles at La Brea Tar Pits: a spadefoot toad they have named Spea labreae. Only one other extinct Pleistocene amphibian ...

Aug 5, 2026
Phys.org / Melting sea ice combines with Arctic sea to make clouds

Scientists have uncovered a previously unknown natural process that dramatically increases the number of cloud-forming particles in the Arctic atmosphere—potentially altering cloud cover, sunlight reflection and future climate ...

Aug 5, 2026
Phys.org / Total eclipse gives scientists chance to probe sun's mysteries

Scientists plan to use a total solar eclipse that will be visible in Spain next week as a rare chance to learn more about the stormy, unpredictable nature of our star.

Aug 5, 2026
Phys.org / Why some people are mosquito magnets while others get away unbitten

Some mosquitoes really are picky eaters. They will not just stick their proboscis into any old human. We know this anecdotally, with some people claiming they are always bitten while others are completely ignored, though ...

Aug 4, 2026
Phys.org / Women with narcissistic tendencies may struggle with forgiveness

Narcissism is associated with selfishness and other negative traits like a grandiose sense of self-importance, a constant need for admiration and a lack of empathy for others. So it may not be surprising that narcissists ...

Aug 4, 2026
Phys.org / A temperature dial for more realistic quantum simulations

Scientists from Rice University in the U.S. have developed a way to precisely tune the temperature inside a trapped-ion simulator. The breakthrough means they will be able to run quantum simulations at precise temperatures ...

Aug 4, 2026
Phys.org / Asteroid Nysa's rare three-lobed structure challenges formation models

Named for the mythical valley where the god Dionysus was raised in secret by nymphs, the asteroid 44 Nysa inhabits the asteroid belt between Mars and Jupiter. Through observations by the Hubble Space Telescope, astronomers ...

Aug 4, 2026
Phys.org / Molecular orbitals imaged in 3D, opening path to femtosecond videos

One of the most famous and intriguing results of quantum mechanics is the finding that fundamental particles, such as electrons, cannot be pinned down to one single location. Instead, a particle is described by its "wavefunction," ...

Aug 4, 2026
Phys.org / Fossils from Wyoming's Smiley Draw deepen understanding of early primate evolution

A new study from the University of Kansas complicates the picture of primates living in North America some 55 million years ago during the Eocene, a warm period that allowed mammals to diversify quickly.

Aug 4, 2026