Image Planetary scientist Dani DellaGiustina makes Popular Science Brilliant 10 Oct. 19, 2022 Dani DellaGiustina, deputy principal investigator for the OSIRIS-REx mission and principal investigator for OSIRIS-APEX, was named to the list for her work to understand the solar system's past, present and future. Read more
Image Bright colors in the animal kingdom: Why some use them to impress and others to intimidate Oct. 18, 2022 Why do some animals have bright colors to impress mates while others use them to ward off predators? It depends on their ancestors, new research reveals. Species that use bright colors as a sexual signal had ancestors that were active during the day, whereas species that use them as warning signals had ancestors that were active at night. Read more
Image Maps of the past may shed light on our climate future Oct. 10, 2022 Maps of Earth's temperature and rainfall 56 million years ago could provide insight into the planet's future as carbon dioxide levels in the atmosphere increase. Read more
Image Life may have thrived on early Mars, until it drove climate change that caused its demise Oct. 10, 2022 Early in its history, the red planet likely would have been habitable to methanogens – microbes that make a living in extreme habitats on Earth. But climate change driven by Martian life might have contributed to making the planet's surface uninhabitable early on. Read more
Image Scientists identify potential source of 'shock-darkened' meteorites, with implications for hazardous asteroid deflection Oct. 4, 2022 Shock-darkened meteorites are characterized by dark veins. Planetary scientists have been unable to pinpoint a nearby asteroid source of these meteorites – until now. Read more
Image New UArizona center focuses on safety, sustainability and security in space Oct. 3, 2022 Orbital space around Earth has become congested and competitive. The Space4 Center is developing solutions to ensure that the use of orbital space remains sustainable and safe. Read more
Image Capturing and converting methane with bioreactors focus of $3.2M grant Sept. 29, 2022 Researchers at UArizona and Penn State University are drawing inspiration from bacteria under the sea to develop technology capable of capturing and repurposing methane, an extremely potent greenhouse gas. Read more
Image New UArizona initiative to help communities harness the power of food as medicine Sept. 28, 2022 A new UArizona initiative will work to reduce diet-sensitive disease in vulnerable Arizona communities through culinary medicine — an emerging field that blends the art of cooking with the science of medicine and nutrition to prevent and manage chronic illness. Read more
Image Newly discovered protein could be used to produce life-saving antifungals Sept. 28, 2022 Yeast cells and human immune system cells rely on similar chemical reactions to know when to grow. Scientists have identified differences between the cell types that could help with the development of antifungal drugs. Read more
Image Steward Observatory lecture series celebrates 100 years Sept. 26, 2022 To mark the lecture series' 100-year anniversary, an evening celebration will include a presentation on the newest science to come out of the James Webb Space Telescope, a chance to peer at the sky through telescopes, recognition of a new endowed chair and the opening of Steward Observatory's visitor center. Read more