EagleTribune.com, North Andover, MA

Archive

mammal1

This 2012 artist's rendering provided by the American Museum of Natural History shows a hypothetical placental mammal ancestor, a small, insect-eating animal. A study released Thursday, Feb. 7, 2013 details the family tree of mammals that have lengthy gestations before birth. It goes back to this shrewish critter slightly bigger than a mouse with a nasty set of teeth. And it first popped in the world a little more than 65 million years ago -- just after the cosmic crash which is theorized to have caused the extinction of non-avian dinosaurs.

NDN Video
Ariz. Inmate Dies 2 Hours After Execution Began Crash Kills Teen Pilot Seeking World Record LeBron James Sends Apology Treat to Neighbors Raw: Funeral for Man Who Died in NYPD Custody Migrants Back in Honduras After US Deports Israeli American Reservist Torn Over Return Raw: ISS Cargo Ship Launches in Kazakhstan Six Indicted in StubHub Hacking Scheme Former NTSB Official: FAA Ban 'prudent' EPA Gets Hip With Kardashian Tweet Bodies of MH17 Victims Arrive in the Netherlands Biden Decries Voting Restrictions in NAACP Talk Broncos Owner Steps Down Due to Alzheimer's US, UN Push Shuttle Diplomacy in Mideast Trump: DC Hotel Will Be Among World's Best Plane Crashes in Taiwan, Dozens Feared Dead Republicans Hold a Hearing on IRS Lost Emails Raw: Mourners Gather As MH17 Bodies Transported Robot Parking Valet Creates Stress-free Travel Raw: Fight Breaks Out in Ukraine Parliament
Photos of the Week