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

The SpaceX Crew Dragon spacecraft for its first crew launch from American soil arrived at Kennedy Space Center on Feb. 13, 2020.

First Rocket Launch From U.S. Soil in Nine Years Postponed

The two NASA astronauts will lift off from historic launch pad 39A, used for the Apollo and space shuttle missions

The researchers analyzed snippets of DNA left in the centuries-old tartar buildup.

New Technique to Study Ancient Teeth Reveals Edo-Era Diet in Japan

Researchers analyzed DNA in tartar from the remains of 13 people who lived between 1603 and 1867

The New Mexico Department of Game and Fish confirmed the hemorrhagic disease in a black-tailed jackrabbit and five desert cottontails in March.

North American Rabbits Face a Deadly Virus

The hemorrhagic virus has infected in domestic rabbits since 2018, and it's now spreading in the wild population

Mauna Kea as seen from the Mauna Loa observatory.

Mauna Kea’s Quakes Might Be Caused by Shifting Gas

The volcano has been rumbling regularly for years, but it’s nothing to worry about

The National Oceanic and Atmospheric Administration (NOAA) is among the organizations that oppose the ruling.

Judge Rules Salvage Firm Can Recover the Titanic's Marconi Telegraph

Critics of the decision argue that the wreck is a memorial to the 1,500 who died when the ship sank and should not be disturbed

At the center of the swirl, a bright yellow spot is has a characteristic twist that indicates the birth of a new exoplanet.

This Very Large Telescope Snapped an Exoplanet's Baby Photos

The fiery swirl looks like a "Doctor Who" title card, but it’s actually a photograph of a planet-in-progress 520 light year away

In early March, a blockbuster exhibition marking 500 years since Raphael's death shuttered just three days after opening. In June, visitors returned—with restrictions.

Italy's Museums Reopen With Vibrating Social-Distancing Necklaces, Limited Admission

A guard will "chaperone" groups of six through the Scuderie del Quirinale's blockbuster Raphael exhibition

Shakespeare's Globe is a meticulous replica of the Elizabethan theater where the Bard's plays were once performed.

COVID-19 Shutdown Threatens the Future of Shakespeare's Globe

The London theater—a replica of the original 16th-century venue—relies on proceeds from live events now on hold due to the pandemic

People in France bike wearing masks down the "Rue de Rivoli."

How Cities Plan to Keep Traffic Out When Lockdowns Lift

Extended bike lanes and wider sidewalks are among solutions to keep car traffic down as people continue to avoid public transit

Mars’ Chryse Planitia region is peppered with small hills topped with craters that might be mud volcanoes.

Martian Mud Probably Looks Like Lava

Muddy water that drains smoothly on Earth leaves a lumpy trail under Mars-like conditions

Archivist of the United States David S. Ferriero displays historical objects recovered from the Arlington National Cemetery time capsule.

Arlington National Cemetery Opens Its 105-Year-Old Time Capsule

The trove of artifacts, hidden in a cornerstone in 1915, is now available to explore online

The loudest marching band at the Rose Parade was Southern University and A&M College's "Human Jukebox" from Baton Rouge, Louisiana. It was their first performance at the parade in 40 years—talk about a booming comeback!

Marching Bands Make Seismic Waves at the Rose Parade

A fiber optic cable system for sensing earthquakes also gives marching bands a new source of bragging rights

New research suggests that humidity is making the painting's yellow cadmium sulfide degrade into white.

Humidity Is a Nightmare for 'The Scream'

Moisture in the air—not light—has made the yellow pigments in Edvard Munch's masterpiece degrade

Eastern garter snakes in the study stuck to their cliques and had a range of bold and shy personalities

Cold-Blooded, but Not Cold-Hearted, Garter Snakes Form Friendships

By tracking 40 snakes over eight days, researchers found that the reptiles tended to return to the same groups

The author's cat, Theodosia, envisioned in the style of Vincent van Gogh's The Starry Night (left) and Jacob van Hulsdonck's Still Life with Lemons, Oranges and a Pomegranate (right)

Transform Your Selfies, Pet Portraits Into Famous Artworks

A new tool from Google Arts & Culture allows users to apply artists' signature styles to their own photographs

A California biologist watches an old male desert tortoise from a distance following the construction of a solar farm in 2011.

Solar Energy Project in Nevada Will Be Biggest in United States

The Department of the Interior approved the $1 billion project on Monday despite concerns for threatened wildlife

Although the painting is dubbed The Night Watch, research suggests that it was originally a daylight scene.

Explore a Hyper-Resolution Rendering of Rembrandt's 'The Night Watch' Online

More than 500 individual photographs make up the new image of the Dutch artist's 17th-century masterpiece

Martha Graham and Erick Hawkins in Appalachian Spring

New York Public Library Acquires Archive of Modern Dance Pioneer Martha Graham

The trove includes photographs, scripts, recordings and correspondence

Researchers at the Allen Institute for Brain Science averaged the structures of 1,625 mouse brains to create a standard model.

Researchers Created a 3-D Map of 100 Million Cells in the Mouse Brain

Neuroscientists have been using the tool since 2017 to pinpoint where exactly their data are coming from

Last October, archaeologists discovered the mud dock where the HMS Beagle was dismantled by using specialized drone photography

The Final Home of Charles Darwin’s HMS Beagle Gets Protected Status

The naturalist famously conducted the research that led to the "Origin of Species" on board the ship

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