A sketch of 2024 Nobel prize winners John Hopfield and Geoffrey Hinton.

The discovery of tools key to machine learning wins the 2024 physics Nobel

As artificial intelligence explodes in popularity, two of its pioneers have nabbed the 2024 Nobel Prize in physics. The prize goes to John Hopfield and Geoffrey Hinton “for foundational discoveries and inventions that enable machine learning with artificial neural networks,” the Royal Swedish Academy of Sciences in Stockholm announced October 8. These computational tools, which […]
Swirling, diffuse tendrils of orange, yellow and white gas on a backdrop of stars

Runaway stars could influence the cosmos far past their home galaxies

Dozens of fugitive stars were caught fleeing a dense star cluster in a satellite galaxy of the Milky Way. The swarm of speeding stars could mean that such runaways had a bigger influence on cosmic evolution than previously thought, astronomers report October 9 in Nature. Massive stars are born in young clusters, packed so close […]
An image shows a mouse

Radioactive beams provide a real-time picture of cancer treatment in mice

Cancer-destroying particle beams have been caught red-handed. Particle beams can deliver a burst of destructive energy directly to tumors – assuming the beam is in the right place. Now, using a radioactive beam, scientists have determined the location of the beam while treating tumors in mice. It is the first successful treatment of tumors with […]
An image of a ring of fire in outer space with a black orb in the center, shown on a diagonal from the side.

A distant quasar may be circling all the galaxies around it

One of the most distant quasars known appears to have shut down the formation of new stars in all galaxies in its vicinity. A quasar is a powerful source of light created by hot gas swirling around a supermassive black hole at the center of a galaxy. Intense radiation from a quasar, called VIK J2348-3054, […]
A bright concentration of stars on a dark sky.

The nearest middle-aged black hole could be a crowd of lightweights

Contrary to a previous report, there is no evidence for an intermediate-mass black hole in Omega Centauri, the Milky Way’s most massive and luminous globular star cluster, a new study finds. Instead, a hive of much smaller black holes dipping in and out of the tightly packed star cluster could explain the motion and distribution […]
Schematic of how a building

Zigzag walls can help buildings beat heat

Extreme Climate Survey Scientific news is collecting questions from readers about how to navigate our planet’s changing climate. What do you want to know about extreme heat and how it can lead to extreme weather events? Most “radiant cooling” designs involve roofs designed to receive and then emit the sun’s energy in infrared wavelengths that […]
A piece of paper with strings of numbers and letters printed on it, with one line circled in red pen and "Wow!" written in that same pen in the margin

History ‘Wow!’ the signal may finally have a source. Sorry, it’s not aliens

One of the most compelling possible signs of extraterrestrial communication may have an astrophysical explanation. Called “Wow!” signal, the bright burst of radio waves has challenged our understanding since its discovery in the 1970s. Now, scientists using archived data from the Arecibo Observatory in Puerto Rico suggest a new possible source for the signal: a […]
Gas and dust swirl, and stars twinkle, in an image of a stellar nursery. Some of the starlike objects captured in this image are baby planets, researchers say.

The Webb Telescope’s look at a stellar nursery also finds minor planets

A distant stellar nursery holds a cluster of newborn worlds the size of Jupiter, the smallest of which is surrounded by a disk of dust that may one day form moons. The detailed discovery, made thanks to the unprecedented sensitivity of the James Webb Space Telescope, could provide new insights into the formation of stars […]
A whitish growth of Corynebacterium matruchotii bacteria

Some bacteria in your mouth can divide into 14 cells at once

Among the more than 500 species of bacteria that thrive in the human mouth, one seems to play by its own rules. Instead of reproducing by dividing into two, as most bacteria do, Corynebacterium matruchotii divides into 14 cells simultaneously, researchers report on Sept. 10. Proceedings of the National Academy of Sciences. This video shows […]