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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.

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.

The instrument will be integrated into the research, teaching, and public outreach programs of the world’s founding Laboratory of Tree-Ring Research, which has interwoven with radiocarbon dating since inception of the technique in the 1960s.

The College of Science is celebrating Hispanic Heritage Month by featuring some of the College’s outstanding faculty with Hispanic roots. Our next featured faculty member is Dr. Dani DellaGiustina, an Assistant Professor in the Lunar & Planetary Laboratory Deputy Principal Investigator for OSIRIS-REx, and Principal Investigator for OSIRIS-APEX.

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.

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.

The University of Arizona and larger Tucson community are mourning the loss of hydrology and atmospheric sciences department head and professor Thomas Meixner, who worked to educate the next generation of water researchers and make our world's most precious resource safer for all.

Shock-darkened meteorites are characterized by dark veins. Planetary scientists have been unable to pinpoint a nearby asteroid source of these meteorites – until now.

Dr. Klein was recognized for the theoretical development of the field-particle correlation technique and its application to spacecraft measurements directly showing that Landau damping heats electrons in turbulent plasmas that comprise Earth's magnetosheath.