Rachael Lallensack

Rachael Lallensack

Rachael Lallensack is the former assistant web editor for science and innovation at Smithsonian.

The Junction Butte Pack photographed from plane during wolf study in 2019.

Hunters Have Killed 24 Yellowstone Gray Wolves So Far This Season—the Most in Over 25 Years

An entire pack may have been 'eliminated' near the park's vulnerable border in Montana, where hunting restrictions were gutted last year

A ram's thick skull protects its brain from serious injury.

Ten Reasons Rams Might Be the Perfect Football Mascot

They're light on their feet, and they aren't afraid to butt heads

Frozen ground preserved the body of this seven-week-old wolf pup, which lived during the Ice Age.

Five Fascinating Ice Age Finds Discovered in Yukon Permafrost

From a pristinely preserved wolf pup to ancient camels, remains found in northern Canada's frozen earth have provided remarkable glimpses into the Ice Age

Panda cub Xiao Qi Ji somersaults through the fresh powder.

See Pandas, Elephants, Cheetahs and More Enjoy a Snow Day at the National Zoo

At least six inches of snowfall covered Washington, D.C. this week causing closures and delays for residents, but the zoo animals were out to play

A CT scan of the spiral intestine of a Pacific spiny dogfish shark (Squalus suckleyi). The organ begins on the left and ends on the right.

Ten Scientific Discoveries From 2021 That May Lead to New Inventions

From nanobots to cancer treatments, nature inspires a wide variety of innovations

A closer view of Lake Natron's blood-red waters in an image captured by NASA satellites.

The Science Behind Six Spooky Lakes and Other Tales of Haunting Hydrology

From shipwrecks to beach-side ghost towns, the real world can be just as eerie as science fiction

An RN administers the Covid-19 vaccine to a nurse at the Virginia Hospital Center in Arlington, Virginia.

The Ten Most Significant Science Stories of 2020

From the rapid development of vaccines for Covid-19 to the stunning collection of an asteroid sample, these were the biggest science moments of the year

One specimen of the ultra-black fish species Anoplogaster cornuta.

Ten Scientific Discoveries From 2020 That May Lead to New Inventions

From soaring snakes to surfing suckerfish, nature is an endless source of inspiration

This year's top ten titles explore the cosmos, fear and cleanliness alongside narratives about owls, fish and eels.

The Ten Best Science Books of 2020

New titles explore the mysterious lives of eels, the science of fear and our connections to the stars

Rattlesnakes can bite after death.

14 Fun Facts About Frightening Animals

From snakes that eat their prey alive to primates that inject their peers with flesh-rotting venom, these are the scariest deeds committed by critters

About 70 miles south of the Natural History Museum, Westmoreland State Park’s Fossil Beach is a hotbed for prehistoric shark teeth.

Five Places Where You Can Collect Fossils in the D.C. Area

You don’t have to venture far to make awesome finds

Monitor local animal populations, identify plants, transcribe women astronomers' notes, bird-watch and more.

Seventy-Five Scientific Research Projects You Can Contribute to Online

From astrophysicists to entomologists, many researchers need the help of citizen scientists to sift through immense data collections

Stream live or watch repeated broadcast overnight.

LIVE NOW: Watch the Smithsonian's Earth Optimism Digital Summit

The two-day virtual event will bring scientists and many other experts to highlight success stories in conservation

Echo, a five-year-old cheetah and first-time mother, gave birth to four cubs on April 8.

Watch Live as the National Zoo’s Cheetah Gives Birth to a Litter of Cubs

Congratulations to first-time mother Echo the cheetah!

Graphic illustrating the MAVEN spacecraft encountering plasma layers at Mars.

Ten Trends That Will Shape Science in the Decade Ahead

Medicine gets trippy, solar takes over, and humanity—finally, maybe—goes back to the moon

Two giraffes

Fourteen Fun Facts About Love and Sex in the Animal Kingdom

Out in the wild, flowers and candy just aren’t gonna cut it

“Within a timespan of about 150 years, Americans transitioned from being mass consumers of ivory goods to enacting legal measures aimed at supporting elephant conservation," says the Smithsonian's Carlene Stephens.

What Elephants Teach Us About Consumption and Extinction

A new exhibition places the human-elephant relationship in the context of American history

The Ten Best Science Books of 2019

New titles explore the workings of the human body, the lives of animals big and small, the past and future of planet earth and how it's all connected

Paired Images of Melting Glaciers and Flooding Wetlands Tell the Story of Global Climate Change

Photographer Tina Freeman's exhibition ‘Lamentations’ at the New Orleans Museum of Art juxtaposes two different environments

On a cold day in early spring in China’s Qilian Mountains National Nature Reserve, photographer Yongqing Bao watched a fox and marmot tango for about an hour before they finally clashed. Minutes later, the fox trotted away with a delicious meal.

See a Fox Spook a Marmot and More Award-Winning Wildlife Photographs

The London National History Museum’s 55th annual contest garnered more than 48,000 entries from 100 different countries

Page 1 of 4