Welcome to OLogy! 
The science website 
for kids from 
the American Museum 
of Natural History.

  • My Nature Journal

    What will you notice in nature? Choose a journal, go outside, and explore!

    New on OLogy!
  • Beyond T. rex

    Meet some of the more unusual members of T. rex and Velociraptor's family tree.

    OLogy Pick!
  • What's This? Vietnam

    Is this animal a rodent, a primate, or a raccoon's relative? Take a guess!

    OLogy Pick!
  • How Much Is a Billion?

    A “billion” is a very large number. Exactly how much is a billion? And how do you write big numbers like a billion?

    OLogy Pick!
Stop slider

Educators, click here!

Find out how to use OLogy with your students

Careers in Science

Meet inspiring scientists who turned their childhood curiosity into discovery.

OLogy Card of the Day

thought experiment
Total cards: 380
What are OLogy Cards?

OLogy Card of the Day

thought experiment
Total cards: 380
What are OLogy Cards?

Educators, click here!

Find out how to use OLogy with your students

Careers in Science

Meet inspiring scientists who turned their childhood curiosity into discovery.

Explore by Activity Type

Games
Reading
Hands-on
Videos

Educators, click here!

Find out how to use OLogy with your students

OLogy Card of the Day

thought experiment
Total cards: 380
What are OLogy Cards?

Careers in Science

Meet inspiring scientists who turned their childhood curiosity into discovery.

"OLogy" means "the study of" Choose an OLogy!

AnthropOLogy

People and cultures in the past and today

ArchaeOLogy

People and artifacts from ancient time

Astronomy

The Universe and everything in it

Biodiversity

The rich variety of life on Earth 

Brain

The organ inside our skulls

Climate Change

Long-term changes in global temperature

Earth

The dynamic planet that we call home

EntomOLogy

The study of insects

Genetics

How genes are passed down generations

Marine BiOLogy

Life in the ocean

MicrobiOLogy

Bacteria, viruses, and other microorganisms

PaleontOLogy

Dinosaurs and other things that lived long ago

Physics

Light and matter through space and time

ZoOLogy

All animals from insects to mammals

Explore by Activity Type

Games
Reading
Hands-on
Videos

OLogy iPad App!

A selection of activities, totally offline, with no ads, and lots to do. Perfect for school or home. And it's free!