See life in a cubic foot, visit Roman artifacts, and more to do

Dinosaurs Among Us

Now open

With help from fossils and life-size models, this exhibit lays out the evidence — from feathers to nesting behavior — that links dinosaurs to birds.

American Museum of Natural History, New York City

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Life in One Cubic Foot

Now open

In this interactive exhibit, count up the different types of organisms that pass through a cubic foot of land or water in a single day in various habitats, including a coral reef in French Polynesia.

Smithsonian National Museum of Natural History, Washington, D.C.

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Benjamin Dean Astronomy Lectures: Tiny Moons Around Asteroids

April 4

A researcher from the SETI Institute will discuss the technology that astronomers use to image asteroids that have satellites, as well as describe potential future missions to these space rocks.

California Academy of Sciences, San Francisco

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Leisure and Luxury in the Age of Nero: The Villas of Oplontis Near Pompeii

Through May 15

Opulent jewelry and art, along with a collection of more mundane artifacts, recovered from ruins near Pompeii help visitors appreciate the economic disparities between ancient Rome’s wealthy elite and lower socioeconomic classes.

University of Michigan Kelsey Museum of Archaeology, Ann Arbor

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Invisible Boundaries: Exploring Yellowstone’s Great Animal Migrations

Opens May 27

The migrations of elk, deer and other animals of Yellowstone National Park are highlighted in this exhibit, which also examines conservation efforts to protect these creatures, whose travels take them well beyond the park’s boundaries.

Buffalo Bill Center of the West, Cody, Wyo.