Astronomy

Astronomers Detect Radio Signal from Beta Pictoris b

This artist’s impression shows how the gas giant exoplanet inside the disc of Beta Pictoris may look. Image credit: L. Calçada / ESO.

For the first time, astronomers have directly detected radio emission from a planet beyond our Solar System. This artist’s impression shows how the gas giant exoplanet inside the disc of Beta Pictoris may look. Image credit: L. Calçada / ESO. First discovered in 2008 by astronomers using ESO’s Very Large Telescope, Beta Pictoris b is a gas giant 9 to 13 times the mass of Jupiter. The planet...

Space Exploration

Water Ice at Mars’ North Pole is Considerably Cleaner than Previously Believed

Map of the six north polar locations analyzed by P. Mohan & A.R. Khuller, where water ice is exposed at the Martian surface. Image credit: P. Mohan & A.R. Khuller, doi: 10.1038/s44453-026-00054-9.

A new analysis of orbital and lander data from Mars suggests the exposed north-polar water ice contains less than 3% dust, far below earlier estimates of up to 25%. Map of the six north polar locations analyzed by P. Mohan & A.R. Khuller, where water ice is exposed at the Martian surface. Image credit: P. Mohan & A.R. Khuller, doi: 10.1038/s44453-026-00054-9. Planetary scientists learn about...

Paleontology

Dinosaurs May Have Dined on Seaweed, Study Suggests

This chart shows the average chemical signatures in the tooth enamel of different animal groups from the Cretaceous period. The vertical axis tracks carbon: the higher an animal’s carbon-13 reading, the more its diet likely came from the sea. The horizontal axis tracks oxygen, which reflects the local water the animals drank, such as a river, lake or seaway. Image credit: Forster et al., doi: 10.3389/fevo.2026.1895247.

Paleontologists studying Cretaceous fossils have repeatedly found that the teeth of many ancient animals contain more of a heavier carbon isotope, carbon-13, than their presumed plant-based diets would predict. Proposed explanations have ranged from dinosaur physiology to forest canopy effects to higher carbon dioxide in the atmosphere. A team of scientists from the University of Arkansas and Auburn...

Biology

Countries with More Cats Report Higher Happiness, Scientists Say

Lauren Scott & Brittany Florkiewicz show that cat facial signals correspond to different social functions, which have likely been influenced by domestication. Image credit: Sci.News / Makieni777 / Rise-a-mui / Alexas_Fotos / Dorothe / Vaclav Zavada / Artem Makarov / Daga Roszkowska / Birgit / Pasi Mammela.

New research led by the University of Chicago found that nations with more domestic cats tended to report higher levels of happiness, while greater exposure to Toxoplasma gondii, a neuroparasite associated with cats, was linked to lower scores. The study authors caution that the findings show associations, not cause and effect. Borráz-León et al. found that national happiness was positively associated...

Physics

CERN Physicists Find Evidence of One of Higgs Boson’s Rarest Decays

Event display of a candidate Higgs boson decay to a photon and a lepton pair, from proton-proton collisions recorded with the ATLAS detector in 2022. Image credit: ATLAS Collaboration / CERN.

Physicists from the ATLAS Collaboration at CERN’s Large Hadron Collider (LHC) have found evidence of the Higgs boson decaying into a ‘virtual’ photon and a real photon, which in turn produces a pair of leptons. This pathway, known as H→γ*γ→llγ, occurs in just one in about 10,000 Higgs decays, making it one of the particle’s most elusive behaviors. Event display of a candidate Higgs...

Genetics

Bats Originated in Europe, Genetic and Fossil Evidence Suggests

The first phase of the Bat1K project: 103 chromosome-level genome assemblies and annotations representing at least one species from each of the 21 currently recognized bat families. Image credit: Morales et al., doi: 10.1038/s41586-026-11007-3.

Bats make up more than one fifth of all living mammal species, yet where and when they first took to the air has been debated for decades. An analysis of 103 bat genomes points to the European continent as the birthplace of the only mammals capable of powered flight, overturning earlier theories that favored Africa, Asia or North America. The findings come from the Bat1K consortium, an international...

Geology

Australia’s North Pole Dome Crater is Earth’s Oldest and Only Known Archean Impact Structure

The North Pole Dome crater: (A) simplified map of the East Pilbara Terrane (EPT, Western Australia), showing Paleoarchean granite domes (pink) and greenstone belts (greens and blues); the North Pole Dome (NPD) lies near the terrane center; (B) geological map of the NPD and the shatter-cone field (yellow star); (C) A quartz (Qtz)-carbonate vein cutting shatter-cone lineation. Image credit: Kirkland et al., doi: 10.1130/G54866.1.

Zircon crystals and impact-altered minerals show that a massive asteroid slammed into what is now the Pilbara region of Western Australia about 3 billion years ago. The North Pole Dome crater: (A) simplified map of the East Pilbara Terrane (EPT, Western Australia), showing Paleoarchean granite domes (pink) and greenstone belts (greens and blues); the North Pole Dome (NPD) lies near the terrane center;...