Amber is a sticky resin that trees produce to sterilize and seal damage to the tree's bark. The resin can trap insects, leaves, and flowers from the tree that fossilize and turn into amber.

15 Incredible Images of Prehistoric Creatures Trapped in Amber
15 Incredible Images of Prehistoric Creatures Trapped in Amber, By Karl Fabicious, Scribol staff, "Amber is an amazing window into life stretching back before the dinosaurs. With a never before s
A Treasure Trove of Dinosaur Protofeathers, Trapped in Amber
A Treasure Trove of Dinosaur Protofeathers, Trapped in Amber September 15, 2012 By Dan Nosowitz Popular Science Article with several close-up photos.
Amber The Mystery Stone
Amber The Mystery Stone fossil-facts-and-finds.com One-page full of information on amber - what it is, its uses, and a scenario on how it is formed.
Carnivorous Plant Fossil Trapped in Amber
Carnivorous Plant Fossil Trapped in Amber, Dec 2, 2014, By Stuart Gary, ABC Science Online, DiscoveryNews.com, The find has shed light on the origins of a plant that traps its food using leaves
First-Ever Salamander in Amber Found in Caribbean
First-Ever Salamander in Amber Found in Caribbean, August 17, 2015, By Richard Farrell, Discovery News, The never-before seen, and now extinct, species confirms that the creatures once lived in
How amber forms
How amber forms From Lost Worlds, Vanished Lives BBC Nature "Once a sweet, sticky liquid fossilised tree resin preserves fatally attracted insects." Great video, video length: 02.25 min.
New Species Of Flower Found Preserved In Amber
New Species Of Flower Found Preserved In Amber February 15, 2016 By Mary Beth Griggs Popular Science Article with several large photos.
Terrifying 100 million-year-old cockroach found trapped in amber - and it looks like nothing seen on Earth today
Terrifying 100 million-year-old cockroach found trapped in amber - and it looks like nothing seen on Earth today, May 4, 2015, By Ellie Zolfagharifard For Dailymail.com, A terrifying new specie
The Modern Day Wasp That Lived 34 Million Years Ago
The Modern Day Wasp That Lived 34 Million Years Ago, By Karl Fibricious, Scribol staff, "These fascinating images offer a glimpse of prehistoric life, frozen forever in transparent amber."
This adorable lil baby bird was perfectly preserved in amber for 99 million years
This adorable lil baby bird was perfectly preserved in amber for 99 million years By Rachel Feltman June 9, 2017 Popular Science Combination of text and photos.
This Preserved Lizard Is 23 Million Years Old
This Preserved Lizard Is 23 Million Years Old July 9, 2013 By Dan Nosowitz Popular Science Brief article with one photo.
Tree Resin Captures Evolution of Feathers On Dinosaurs and Birds
Tree Resin Captures Evolution of Feathers On Dinosaurs and Birds Source: University of Alberta Sept. 16, 2011 ScienceDaily.com "Secrets from the age of the dinosaurs are usually revealed by f
Welcome to the World of Amber
Welcome to the World of Amber by Susie Ward Aber, Earth Science Department Emporia State University Covers numerous topics related to amber; college level.