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Medical Xpress / What is ALS, the disease that killed actor Eric Dane?

Eric Dane, known for his roles on "Grey's Anatomy" and "Euphoria," died this week from amyotrophic lateral sclerosis at age 53.

Phys.org / The persistence of gravitational wave memory

Neutron stars are ultra-dense remnants of massive stars that collapsed after supernova explosions and are made up mostly of subatomic particles with no electric charge (i.e., neutrons). When two neutron stars collide, they ...

Feb 20, 2026 in Astronomy & Space
Phys.org / Pregnancy complications may have helped wipe out Neanderthals

Neanderthals disappeared from the fossil record approximately 40,000 years ago. Their extinction was a gradual process over thousands of years, and theories as to why include competition with modern humans and rapid climate ...

Feb 20, 2026 in Biology
Phys.org / Cosmic predators: How supermassive black holes slow star growth in nearby galaxies

Intense radiation emitted by active supermassive black holes—thought to reside at the center of most, if not all, galaxies—can slow star growth not just in their host galaxy, but also in galaxies millions of light-years ...

Feb 18, 2026 in Astronomy & Space
Phys.org / A few weeks of X's algorithm can make you more right-wing—and it doesn't wear off quickly

A new study published in Nature has found that X's algorithm—the hidden system or "recipe" that governs which posts appear in your feed and in which order—shifts users' political opinions in a more conservative direction.

Feb 19, 2026 in Other Sciences
Phys.org / Quantum entanglement could link distant telescopes for sharper images

To capture higher-definition and sharper images of cosmological objects, astronomers sometimes combine the data collected by several telescopes. This approach, known as long-baseline interferometry, entails comparing the ...

Feb 20, 2026 in Physics
Phys.org / Hubble identifies a near-invisible galaxy that may be 99% dark matter

In the vast tapestry of the universe, most galaxies shine brightly across cosmic time and space. Yet a rare class of galaxies remains nearly invisible—low-surface-brightness galaxies dominated by dark matter and containing ...

Feb 18, 2026 in Astronomy & Space
Phys.org / Near-infrared study finds no clear counterpart to mysterious gamma-ray source

Spanish astronomers have conducted a near-infrared study of an ultra-high energy gamma-ray source designated LHAASO J2108+5157. The new study, published February 11 on the arXiv preprint server, tries to unravel the mysterious ...

Feb 20, 2026 in Astronomy & Space
Phys.org / Chitosan-nickel biomaterial becomes stronger when wet, and could replace plastics

A new study led by the Institute for Bioengineering of Catalonia (IBEC) has unveiled the first biomaterial that is not only waterproof but actually becomes stronger in contact with water. The material is produced by the incorporation ...

Feb 18, 2026 in Chemistry
Phys.org / Atom-thin electronics withstand space radiation, potentially surviving for centuries in orbit

Atom-thick layers of molybdenum disulfide are ideally suited for radiation-resistant spacecraft electronics, researchers in China have confirmed. In a study published in Nature, Peng Zhou and colleagues at Fudan University ...

Feb 20, 2026 in Astronomy & Space
Phys.org / How fast is the universe expanding? Supernova could provide the answer

That the universe is expanding has been known for almost a hundred years now, but how fast? The exact rate of that expansion remains hotly debated, even challenging the standard model of cosmology. A research team at the ...

Feb 19, 2026 in Astronomy & Space
Medical Xpress / Why nighttime heat drives a surge in suicide-related calls to crisis lines in Louisiana

Extreme heat poses serious risks to physical health but can also trigger a mental health emergency for some people. While the link between heat and suicide is well-documented, the specific stressors that drive someone to ...

Feb 20, 2026 in Psychology & Psychiatry