Log in
Email
Password
Register
Menu
Explore
Newest photos
Popular photos
Contribute
Submission guidelines
Photographer signup
Photographer login
About
About Freerange
Image license
API
Contact us
Support
Contact support
FAQ
Login
Login
Register
Search all
Photos
Illustrations
Match All
Match Photo ID
Newest
Popular
Select Category
AI Generated
CC0 Images
Editorial and News
Animals & Insects
Architecture
Architectural Details
Arts & Music
Backgrounds & Textures
Cities and Modern Life
Business & Office
Flowers and Plants
France
Food & Drink
Holidays & Occasions
Health and Fitness
Landmarks
Interiors
Illustrations
Industry & Agriculture
Landscapes & Nature
Letters and Numbers
Objects
Other
Military
People
Signs & Symbols
Sky and Clouds
Space
Sports & Recreation
Technology
Wallpapers
Free Stock Images
Sponsored images from iStock
View footage results
Click to save 15% sitewide with code
FREERANGE15
View More
539 free biology science photos from Freerange
Filter results
Popular
Most Viewed
Newest Photos
All licenses
Freerange
CC0
Photos & Illustrations
Photos
Illustrations
Per Page
25
50
100
Brain Connections - Creativity and Intelligence Concept
Brain Connections - Creativity and Intelligence Concept
Baby Duck
A mallard duckling swimming in a lake.
Education Concept - Learning Concept - With Tree of Knowledge
Education Concept - Learning Concept - With Tree of Knowledge
Chronic Pain Points - Painful Areas - Illustration
Chronic Pain Points - Painful Areas - Illustration
Earth with Tree between Hands - Ecology Concept
Earth with Tree between Hands - Ecology Concept
Child holding the world in her hands
Child holding the world in her hands - Future and happiness concept
Medical Research - Medical Innovation - Medicine - Healthcare -
Medical Research - Medical Innovation - Medicine - Healthcare - MedTech
DNA - Genetics - Genes
DNA - Genetics - Genes
Close-up view of a blue sponge texture
This image features a close-up shot of a porous sponge, highlighting the intricate details and unique structure
Concept of Intelligence with Human Brain on Blue Background
Concept of Intelligence with Human Brain on Blue Background
Little cute child running away from a monster
Little cute child running away from a funny monster - Child fears and insecurities concept
Study and Knowledge Concept
Study and Knowledge Concept
Person studying and learning - Knowledge concept
Person studying and learning - Knowledge concept
3D rendering of blue bacteria cells close-up
This image features a high-resolution, 3D rendering close-up of spherical blue bacteria cells with smaller cell structures attached, on a dark background
CDC Scientist in Lab Environment
A scientist implementing molecular testing. Original image sourced from US Government department Public Health Image Library, Centers for Disease Control and Prevention.
Flaming a loop
Flaming a microbiology wire loop using asepting technique
Flying ducks
Male and female Mallard Duck flying.
Medical Doctor Studying the Human Body - Concept
Medical Doctor Studying the Human Body - Concept
Medical Human Body Scan - Man and Technology
Medical Human Body Scan - Man and Technology
Yogurt Bacteria
Lactobacilli bacteria on a microscope slide enlarged x1200
Illuminated DNA double helix structure
A close-up of a glowing DNA double helix with a blurred colorful background symbolizing genetic research and biotechnology
Skeleton of a Fish on a Black Background
The skeletal remains of a fish are displayed against a stark black background. The intricate bones of the fish are visible, showcasing the delicate structure that supported its body in life.
Artificial Intelligence Concept with Virtual Brain
Artificial Intelligence Concept with Virtual Brain
Test tube containing sucrose
Combustion reaction using sucrose to produce caramel and steam.
A Jellyfish Swimming in the Blue Water
A translucent jellyfish gracefully glides through the azure depths of the ocean, its tentacles trailing behind it. The sunlight filters through the water, casting a soft glow on its delicate form.
Biology
Paramecium conjugation.
Ascaris lumbricoides
Ascaris lumbricoides microscope slide cross section.
Plague Masks
Masks worn during experiments with plague. Manila, Philippines in the early 20th century.
Fish With Illuminated Mouth
A close-up view of a fish with a small light inside its mouth, illuminating its features. The fishs scales, fins, and eye are visible, creating a unique and intriguing visual.
Medical Provider Putting on Gloves
Medical Professional wearing rubber gloves and other personal protective equipment.
Chronic Pain Spots - Painful Joints in the Body
Chronic Pain Spots - Painful Joints in the Body
Acetic acid in a reagent bottle
A reagent bottle containing acetic acid.
Chemical Distillation
Chemical distillation with hot plate, mixer and thermometer.
Common Blue Damselfly
Common Blue Damselflies reproduction cycle.
Concept of Artificial Intelligence on Abstract Background
Concept of Artificial Intelligence on Abstract Background
STEM Education concept - Chemistry
Education concept - Little scientists children is looking at erlenmeyer flask containing chemicals to perform experiments in the laboratory, Beaker on the side table.
Women scientists use lux meter to test cannabis farm
Women scientists care for cannabis plants, use lux meter test quality marijuana leaf record in a lighting controlled room. Indoor greenhouse.Focus Lux meter.
People in a Network Sharing Ideas - Social Connections
People in a Network Sharing Ideas - Social Connections
Muscle Meat - Biopsy
Fixed slide cross section of muscle tissue, 100x microscope view
Oedogonium
Microscope view of freshwater algae Oedogonium.
Close Up of a Leaf on a Plant
This close-up shot showcases a single leaf on a plant, with intricate veins and textures visible. The leaf is green and healthy, capturing the details of nature up close.
Chemistry
Chemistry book and glassware
Medical Technology Concept - Beating Heart - Cardiology - Health
Medical Technology Concept - Beating Heart - Cardiology - Healthcare
Healthcare Technology Concept
Healthcare Technology Concept, Human Body
Medical Technology - MedTech Market - Healthcare
Medical Technology - MedTech Market - Healthcare
Chemical reaction
Water being added to copper sulfate.
Plant Cells
A microscopic view of plant cells, one of which is dividing
Bacteria growing on EMB agar
Zone of inhibition produced by Lingonberry extract on an EMB agar plate containing E. coli and a control.
Blood Samples - Blood Tests - Medical Tests
Blood Samples - Blood Tests - Medical Tests
Technician with vial of blood for testing
After blood draw, a technician holding a vial of blood before it moves to the lab for testing
Find even more royalty free stock photos from the world's best photographers
View
of
11
Try your search on iStock: