NASA has ruled out any chance that an asteroid called 2024 YR4 will hit the moon in 2032. Last year, the uncertainty ...

Mammals are not especially diverse. Roughly 6,800 mammal species are known to exist, compared with about 8,800 species of amphibian, 11,000 species of bird and 12,500 of reptile. Yet when most people ...

To avoid the worst effects of climate change, many billions of metric tons of industrially generated carbon dioxide will have to be captured and stored away by the end of this century. One place to ...

Earth is not infinite. Pollution beyond certain levels threatens the climate and ecosystems. To prevent this, scientists have proposed planetary boundaries, defining the safe operating limits of the ...

Global warming has accelerated since 2015, according to a new study by the Potsdam Institute for Climate Impact Research (PIK). After accounting for known natural influences on global temperature, the ...

Rydberg atoms are atoms with one or more outer electrons excited to very high energy levels, which interact very strongly with each other. These atoms are widely used to run quantum simulations and ...

If you follow media coverage of koalas, you could be forgiven for feeling confused. Recent stories describe a "koala paradox": endangered in the north of Australia, abundant in the south; genetically ...

The world's first lab-based tick feeding system for bush ticks, developed by researchers at the University of Melbourne, has ...

Thousands of birds, including beloved purple martins, died in "The Great Texas Freeze" of 2021. A study published in Nature Ecology & Evolution led by biologists at the University of Massachusetts ...

It infects nearly one-third of the global population, yet its microscopic size makes the parasite difficult for scientists to study. That parasite is Toxoplasma gondii, a widespread organism that ...

Solar water splitting is one of the most direct ways to produce green hydrogen using sunlight. However, most photocatalysts ...

Certain species of wasps and frogs share a pain and inflammation peptide similar to one found in vertebrates to help defend against predators—a discovery that contributes to a shifting view of how ...