April 17, 2026 Andes volcanoes – the missing link between algae blooms, whales and climate millions of years ago Record volcanic eruptions in the Andes could explain the mysterious death of dozens of whales about 5 to 8 million years ago, according to a study led by University of Arizona researchers.
March 31, 2026 Mysterious red dot first spotted by U of A astronomers reveals itself as a baby planet orbiting a young star The discovery offers astronomers a rare window into conditions resembling those of our own solar system's earliest days.
Jan. 29, 2026 Kissing the sun: U of A researchers unravel mysteries of the solar wind A University of Arizona-led research team has measured the dynamics and ever-changing "shell" of hot gas from where the solar wind originates.
Dec. 18, 2025 Life on lava: How microbes colonize new habitats Taking advantage of a "natural laboratory" in Iceland, a research team from the University of Arizona studied how microbes colonize fresh lava flows as soon as they cooled.
Dec. 1, 2025 Newly discovered star opens 'laboratory' for solving cosmic dust mystery Building on the University of Arizona's leadership in interferometry, a Steward Observatory-led team of astronomers probe mysterious "hot dust" around stars that has vexed astronomers for decades.
Nov. 25, 2025 OSIRIS-APEX spacecraft takes selfie with Earth during flyby The spacecraft of the U of A-led OSIRIS-APEX mission performed a "slingshot" maneuver around Earth as part of its journey to catch up with its mission target, asteroid Apophis.
Oct. 8, 2025 The moon's biggest impact crater made a radioactive splash New analyses of the largest impact crater on the moon reveal unexpected insights into its tumultuous past. They also suggest that once astronauts return to the moon, they will have access to a veritable gold mine of scientific clues.
Sept. 16, 2025 New images reveal clues about the feeding habits of black holes University of Arizona telescopes helped capture dramatic changes in a supermassive black hole's environment over the course of four years.
Aug. 26, 2025 A growing baby planet photographed for first time in a ring of darkness Using a cutting-edge optics system developed at the University of Arizona, researchers have gotten a glimpse of what our solar system likely looked like during its infancy.
Aug. 7, 2025 Alpha Centauri, sun's closest stellar neighbor, likely harbors giant planet New observations that U of A astronomers helped make with the James Webb Space Telescope solidify previous hints of a giant planet orbiting the sun's closest neighbor.