Fossil reveals leaf-eating among earliest birds

A new type of analysis of a spectacular 120-million-year-old fossil skeleton of the extinct early bird Jeholornis from northeastern China has revealed the oldest evidence for birds eating leaves, marking the earliest known ...

Quasar disks could host black hole collision events

New research, in the wake of the gravitational wave discoveries, sheds light on the environments that could lead to black hole merger events. The work is presented this week at the 2023 National Astronomy Meeting by Ph.D. ...

Biologists investigate how bees identify their own nests

Not all bees and wasps live in colonies of several thousand individuals. The horned mason bee (Osmia cornuta), for example, nests solitarily. When choosing a nesting site, the females often use existing cavities ranging from ...

Video: BepiColombo's third Mercury flyby

Watch Mercury appear from the shadows as the ESA/JAXA BepiColombo spacecraft sped by the planet's night side during its 19 June 2023 close flyby, and enjoy a special flyover of geologically rich terrain.

PFAS found in blood of dogs, horses living near Fayetteville, NC

In a new study, researchers from North Carolina State University detected elevated PFAS levels in the blood of pet dogs and horses from Gray's Creek, N.C.—including dogs that only drank bottled water. The work establishes ...

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