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Phys.org / How lifetime stress drives abnormal behaviors in lab monkeys

It is not unusual for laboratory monkeys to engage in abnormal repetitive behaviors (ARBs), such as pacing and hair-plucking. Conventional thinking is that these actions are linked to recent stresses or current housing conditions. ...

Mar 27, 2026
Phys.org / Japan's giant caldera volcano is refilling 7,300 years later

The magma reservoir of the largest volcanic eruption of the Holocene is refilling. This Kobe University insight on the Kikai caldera in Japan allows us to understand giant caldera volcanoes like Yellowstone or Toba more generally ...

Mar 27, 2026
Phys.org / Scientists testing new scanning technology discover mysterious structure beneath an ancient Egyptian city

Archaeologists working in Egypt's Nile Delta may have discovered a tomb or temple dating back around 2,600 years while testing a new technology designed to locate structures buried deep beneath the surface. The team was studying ...

Mar 27, 2026
Phys.org / Unusual signal may prove existence of primordial black holes

It may well take years to prove, but a pair of University of Miami astrophysicists could be on the verge of a cosmic breakthrough that will confirm the existence of primordial black holes and the role they play in one of ...

Mar 25, 2026
Phys.org / Earth's 40,000-year tilt cycle links Antarctic ice growth to subtropical productivity

Cycles in the growth and decay of Antarctica's ice sheets once shaped marine biological productivity thousands of miles away in the subtropical ocean, according to new research led by scientists at the University of Wisconsin-Madison. ...

Mar 24, 2026
Phys.org / Distant galaxy fades 20-fold in just two decades, challenging how supermassive black holes evolve

An international team led by a researcher at the Chiba Institute of Technology has discovered an extremely rare phenomenon: a galaxy about 10 billion light-years away whose brightness dropped to one-twentieth of its original ...

Mar 25, 2026
Phys.org / Chandra resolves why black holes hit the brakes on growth

Astronomers have an answer for a long-running mystery in astrophysics: why is the growth of supermassive black holes so much lower today than in the past? A study using NASA's Chandra X-ray Observatory and other X-ray telescopes ...

Mar 24, 2026
Phys.org / He suddenly couldn't speak in space. NASA astronaut says his medical scare remains a mystery

The astronaut who prompted NASA's first medical evacuation earlier this year said Friday that doctors still don't know why he suddenly fell sick at the International Space Station.

Mar 27, 2026
Phys.org / Masripithecus: A new Miocene ape from Egypt sheds light on the origins of modern apes

In a study published in Science, an international research team from the Mansoura University Vertebrate Paleontology Center (Egypt) and the University of Southern California (U.S.) describe Masripithecus moghraensis, a newly ...

Mar 26, 2026
Phys.org / Uncovering the evolutionary limits of the COVID-19 virus

A new paper in Genome Biology and Evolution, indicates that while the COVID-19 virus has developed rapidly since 2019, it has done so within limited genetic channels. These genetic limits have remained unchanged. Despite ...

Mar 25, 2026
Phys.org / Novel measurement confirms a 50-year-old prediction: Dark points are faster than light

A research group from the Technion-Israel Institute of Technology reports in Nature an unprecedented achievement in electron microscopy: the direct measurement of "dark points" within light waves. By doing so, the researchers ...

Mar 26, 2026
Phys.org / All 5 fundamental units of life's genetic code were just discovered in an asteroid sample

A new study reveals all five fundamental nucleobases—the molecular "letters" of life—have been detected in samples from the asteroid Ryugu.

Mar 22, 2026