April 21, 2021 Astrophysicists Help Chart Dark Matter's Invisible 'Ocean' A wake of stars, created by a small galaxy set to collide with the Milky Way, is the highlight of a new map of the Milky Way's outer reaches.
April 15, 2021 New Images: OSIRIS-REx Leaves its Mark on Bennu Like boot prints on the moon, the OSIRIS-REx spacecraft left its mark on asteroid Bennu. Images taken during the spacecraft's final flyover reveal the aftermath of the historic encounter with the asteroid.
April 7, 2021 NASA's OSIRIS-REx Completes Final Tour of Asteroid Bennu Mission scientists will compare the final shots of the asteroid Bennu with images taken before the touch-and-go maneuver, which kicked up dust and rocks.
April 7, 2021 'Bug Brain Soup' Expands Menu for Scientists Studying Animal Brains By mashing up brains from various insects, UArizona neuroscientists introduce a practical technique for quantifying the neurons that make up the brains of invertebrate animals.
April 1, 2021 A Final Look At Bennu Before OSIRIS-REx Heads Home The OSIRIS-REx mission is on the brink of discovering the extent of the mess it made on asteroid Bennu's surface during October's sample collection.
March 24, 2021 Positive Societal Response to Past Climate Variability Sets an Example for Today Humans' response to climate variability is not all doom and gloom. Past societies have found ways to thrive and innovate under climatic stresses, researchers say.
March 18, 2021 Novel Coronavirus Circulated Undetected Months Before First COVID-19 Cases in Wuhan A new study dates emergence of the virus that causes COVID-19 to as early as October 2019. Simulations also suggest that in most cases zoonotic viruses die out naturally before causing a pandemic.
March 16, 2021 Sleep Troubles May Complicate the Grieving Process Those who have persistent sleep problems before the loss of a loved one may be at higher risk for developing what's known as complicated grief, a new study finds.
March 5, 2021 Sixth Mirror Casting Brings Giant Magellan Telescope Closer to Completion Engineers at the Richard F. Caris Mirror Lab are casting the sixth of seven mirror segments that together will make up the primary mirror of the Giant Magellan Telescope, currently under construction in Chile's Atacama Desert.
March 4, 2021 Dramatic Decline in Western Butterfly Populations Linked to Fall Warming Western butterfly populations are declining at an estimated rate of 1.6% per year, according to a new report in Science. The western monarch population has declined 99.9% since the 1980s.
