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Phys.org / Mars rover detects never-before-seen organic compounds in new experiment

NASA's Curiosity Mars rover has uncovered a diverse mix of organic molecules on Mars, including chemicals widely considered building blocks for the origin of life on Earth.

Apr 21, 2026
Phys.org / Cold fronts in nearby galaxy group may redistribute metals, Chandra and GMRT data reveal

Astronomers from South Africa and India have analyzed archival data from the Chandra X-ray Observatory and Giant Metrewave Radio Telescope (GMRT) regarding a nearby small galaxy group known as IC 1262. Results of the new ...

Apr 22, 2026
Phys.org / World's largest collection of Olympiad-level math problems now available to everyone

Every year, the countries competing in the International Mathematical Olympiad arrive with a booklet of their best, most original problems. Those booklets get shared among delegations, then quietly disappear. No one had ever ...

Apr 20, 2026
Phys.org / Uganda's Python Cave reveals how a Marburg virus outbreak could begin

Marburg virus disease (MVD) is a severe and often fatal hemorrhagic disease in humans caused by the Marburg virus. It is carried by Egyptian fruit bats and can spread to people after exposure in caves or mines where they ...

Apr 21, 2026
Phys.org / Molecular chains unlock atomically precise nanoribbons for next-generation electronics

Scientists have developed a unique way to build electronic components so small they are made from chains of individual molecules—creating a toolbox to help build materials that could power the next generation of technology.

Apr 23, 2026
Phys.org / In Eastern Africa, the cradle of humankind is tearing apart

Eastern Africa's Turkana Rift is both a hotbed for fossil discoveries of our earliest ancestors and a literal hotbed of volcanic activity caused by shifting tectonic plates. Now researchers have found that Earth's underlying ...

Apr 23, 2026
Phys.org / Machine learning helps detect roars from lion collars without recording actual audio

Roaring over long distances is a key behavior of lions. They communicate within prides as well as with other animals using distinct sequences of moans and grunts. Scientists from the GAIA Initiative have now published a machine ...

Apr 23, 2026
Medical Xpress / How red blood cells keep making hemoglobin under stress could reshape anemia treatment

Scientists have long been puzzled by how maturing red blood cells manage to produce all the hemoglobin they need to carry oxygen to tissues, even after shedding the vital structures they need to produce it.

Apr 23, 2026
Phys.org / Black grouse eye test reveals best flags to protect birds from fatal cables

There is a silent killer lurking in the French Alps: ski lift cables. Over the last 60 years, the wires have accounted for almost 600 recorded landfowl deaths in the region. Black grouse (Lyrurus tetrix) account for ~70% ...

Apr 23, 2026
Tech Xplore / Needle-tip chip can secure pacemakers and insulin pumps against quantum attacks

As quantum computers advance, they are expected to be able to break tried-and-true security schemes that currently keep most sensitive data secure from attackers. Scientists and policymakers are working to design and implement ...

Apr 23, 2026
Medical Xpress / 3D DNA switch in brown fat could reshape obesity and diabetes treatment

Most fat stores energy; the body's brown fat does the opposite. Unlike the white fat that accumulates just under our skin, brown fat burns calories and glucose to generate heat. Formally known as brown adipose tissue, it ...

Apr 23, 2026
Phys.org / Gene-sharing view challenged as bacteria shown to police DNA exchange

A new study finds that bacteria can actively block the transfer of beneficial genes to neighboring cells, using specialized proteins to specifically destroy shared DNA before it spreads. This challenges the long-held view ...

Apr 23, 2026