Theresa Machemer

Theresa Machemer is a freelance writer based in Washington DC. Her work has also appeared in National Geographic and SciShow. Website: tkmach.com

Between 70 and 80 percent of the individuals interred at the site were children.

Archaeologists Unearth 16th-Century Children's Cemetery in Poland

Some of the deceased were buried with coins in their mouths as payment for Charon, ferryman of the underworld

The circular ovens may have been used to bake bricks or pottery.

Roman-Era Structures Found Near Sphinx-Lined Egyptian Avenue

Excavations at Kebbash Road revealed circular ovens, a mud-brick wall and a sandstone wall

A new computer model gives insight into how Europa's ocean formed, and how life could use its chemical energy to survive.

Heat in Jupiter’s Moon Europa Might Have Made Its Oceans Habitable

An upcoming NASA mission will get a closer look at the ocean moon

A new study presents evidence that a massive eruption in Alaska may have influenced the rise of the Roman Empire.

How an Alaskan Volcano Is Linked to the Decline of the Roman Republic

New research suggests Mount Okmok's eruption in 43 B.C. sparked extreme weather halfway across the world

Louisa May Alcott wrote "Aunt Nellie's Diary" in 1849, almost 20 years prior to the publication of Little Women.

Early Short Story by Louisa May Alcott Published for the First Time

The "Little Women" author wrote "Aunt Nellie's Diary" in 1849, when she was 17 years old

Mary Jackson was the first African American woman engineer at NASA. She worked at the agency from 1951 to 1985.

NASA Names D.C. Headquarters for 'Hidden Figure' and Engineer Mary Jackson

Jackson may have been the only African American woman aeronautical engineer in the 1950s

A magnitude 7.4 quake shook Mexico's southern state Oaxaca June 23.

Magnitude 7.4 Earthquake Hits Southern Mexico

Mexico sits above a complicated system of tectonic plates that makes the region prone to violent temblors

Following the Monday performance, the Barcelona opera house donated its 2,292 houseplants to local health care workers.

Audience of Plants Roots for Barcelona Opera House on Opening Night

The leafy crowd enjoyed a string quartet's performance of Puccini's "Crisantemi"

NASA is asking volunteers to help label photographs of the Martian surface to help the Curiosity rover avoid obstacles like loose sand.

You Can Help Teach the Curiosity Rover to Drive on Mars

The rover isn’t quite eight years old, but NASA thinks it’s time that Curiosity becomes more independent

The circle of submerged shafts likely acted as a boundary for a sacred area or precinct associated with the Durrington Walls henge.

Archaeologists Discover Enormous Ring of Ancient Pits Near Stonehenge

The buried shafts may represent the largest prehistoric structure ever found in Great Britain

In 2016, fluid like water or liquid carbon dioxide broke into the fault system. Over four years, it filled the cracks and set of a swarm of tremors.

Earthquake Swarm Reveals Complex Structure of a California Fault Line

In 2016, fluid broke into the cracks of a fault system, setting off a four-year-long swarm of mini earthquakes

The Bighorn Fire burns through the western side of the Santa Catalina Mountains in Oro Valley, Arizona on June 14.

Arizona Faces Wildfires and Evacuations as COVID-19 Cases Rise

Arizona has spread out firefighters’ camp sites and relied more on aircraft to fight fires amid the pandemic

The copy of the Last Supper held at the Royal Academy of Arts is attributed to Leonardo da Vinci's pupils Giampietrino and Giovanni Antonio Boltraffio.

See 'The Last Supper' in a New High-Resolution Scan Online

Based on a copy made by Leonardo da Vinci's pupils, the image will be useful to scholars and the public alike

Researchers tested their pollen-carrying bubbles on lily, azalea and campanula flowers (shown).

Soap Bubbles Can Pollinate Flowers, but Can They Replace Bees?

New research shows that carefully calibrated soap bubbles cause pear trees to bear fruit

Written in ornate cursive by a general’s aide and signed by Maj. F.W. Emery on behalf of Granger, “General Orders No. 3” had long been hidden in a book of formal orders housed at the archives.

National Archives Locates Handwritten Juneteenth Order

On June 19, 1865, the decree informed the people of Texas that enslaved individuals were now free

Simon G. Elliott's Antietam battlefield map was one of about 3,000 antique maps digitized by the New York Public Library between 2015 and 2018.

Forgotten Antietam Battlefield Map Shows Locations of Thousands of Graves

The Union and Confederate soldiers buried at the site of the 1862 clash were later moved to nearby cemeteries

John Everett Millais, The Bridesmaid, 1851

U.K. Museum Reimagines Classic Art With Face Masks

The Fitzwilliam Museum in Cambridge has released greeting cards of six paintings adapted for this "most unusual year"

See Spot run!

Businesses Can Now Buy Spot, Boston Dynamics' Robotic 'Dog'

The four-legged robot sells for about $75,000

A display in Paris' Musée du Quai Branly–Jacques Chirac, which houses hundreds of thousands of artifacts from non-European cultures

Activists Try to Remove African Artifact From Paris Museum

Protesters demanding the repatriation of looted objects seized a funeral pole on view at the Musée du Quai Branly–Jacques Chirac

Virtually swim with a sea lion in the Channel Islands National Marine Sanctuary in one of four new 360 degree virtual dives.

Celebrate World Ocean Month With Four Virtual Dives

Swim with a sea lion, sea turtles, sharks and more in four 360-degree virtual dives created by NOAA

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