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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.
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.
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.
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.
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.
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.
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.
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.
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.
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.