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The Valles Marineris canyon system, where the scientists focused their study

Three Billion Years Ago, Mars May Have Been Half Covered by a Sea the Size of the Arctic Ocean

Data from several probes studying the Red Planet helped geologists map what seems to be an ancient coastline

Ice can take on more than 20 forms, or phases, depending on the temperature and pressure conditions as water crystallizes.

Researchers Discover a New Phase of Ice by Squeezing Water Between Diamonds

The new form, called Ice XXI, appeared at room temperature in the lab, and it may have a similar density to ice on distant moons in our solar system

Treponema pallidum is a spiral-shaped bacterium that currently exists in three closely related forms, one of which causes syphilis. 

Anthropologists Recover DNA of Syphilis-Causing Bacterium Relative From 5,500-Year-Old Human Remains, the Earliest Ever Found

The findings represent the oldest complete set of genetic information from this bacterial group and shed light on its evolutionary history

Joshua trees rely on a single species—the yucca moth—to pollinate their flowers.

The American Southwest’s Iconic Joshua Trees Are Blooming Early—and Scientists Want Your Help to Figure Out Why

The spiky desert succulents typically blossom beginning in late February. But this season, many started growing flowers up to four months early

Students with the 4-H Club of Dauphin County gathered inside the refrigerated display room at the Pennsylvania Farm Show Complex and Expo Center to carefully break down the sculpture.

What Happened to This 1,000-Pound Butter Sculpture After the Crowds Melted Away?

At the end of the 2026 Pennsylvania Farm Show, volunteers and students carefully dismantled the creamy masterpiece so it could be used to produce renewable energy for local homes

Alex Honnold climbed Taipei 101 without ropes or safety equipment.

See How Alex Honnold Climbed a Dizzying 1,667-Foot-Tall Skyscraper Without Ropes

He became famous after scaling El Capitan without protective equipment in 2017. Now the 40-year-old athlete has completed the first free solo of Taipei 101 in Taiwan

Researchers used an electron microscope to take a closer look at the bone fragment.

New Research

This Hammer Created From an Elephant Bone 480,000 Years Ago May Be the Oldest Known Tool of Its Kind Ever Found in Europe

Discovered in southern England in the mid-1990s, the artifact may have been made by Neanderthals or Homo heidelbergensis, according to a new study

Shenzhou-15 spacecraft debris streaked across the sky above California in April 2024. 

Sonic Booms and Earthquake Sensors Can Help Researchers Track Space Junk as It Plummets to Earth

Falling debris can travel at about 30 times the speed of sound, creating sonic booms that shake the ground

Tyrannosaurus rex probably wasn't full-grown until around age 40, new research suggests.

Tyrannosaurus Rex Was Probably a Late Bloomer—and May Have Taken Around 40 Years to Grow Up

The behemoth dinosaurs grew more slowly and had longer life spans than previously thought, a new study suggests

An illustration of Procoptodon goliah, a giant kangaroo that weighed up to about 550 pounds and went extinct around 40,000 years ago

Giant Kangaroos That Lived During the Ice Age May Have Hopped—Despite Weighing Up to 550 Pounds

The extinct animals may have bounced from scary situations, such as coming face to face with hungry predators

This late 16th-century portrait of Anne Boleyn (left) closely resembles a circa 1590 portrait of Elizabeth I (right), as well as two separate likenesses of Mary I and Edward IV. The paintings appear to share the same established “face pattern” of the then-queen, Elizabeth.

Why Do These Tudor-Era Portraits of Anne Boleyn and Elizabeth I Look So Strikingly Similar?

The artist behind the works may have used Elizabeth’s likeness as a template in other royal portraits to visually emphasize her resemblance to previous monarchs and reinforce her status as the legitimate Tudor heir

Dimitris Economou returned this copy of Harry the Dirty Dog 36 years after his parents checked it out.

Cool Finds

A Little Boy’s Library Book Was Due in 1989. Thirty-Six Years Later, He Realized His Parents Had Never Returned It

After finding “Harry the Dirty Dog” at his dad’s home in Greece, Dimitris Economou brought it back to the library in Virginia where his family had checked it out more than three decades earlier

Frida on a White Bench, New York by Nickolas Muray surrounded by merchandise inspired by the image

Frida Kahlo’s Image Is on Paintings, Posters, Socks and Sanitary Pads. How Did Fridamania Come to Dominate Popular Culture?

An exhibition at the Museum of Fine Arts, Houston features paintings by Kahlo, works by artists she inspired and consumer products featuring her self-portraits

The findings point to a mental strategy that could help bolster typical medical treatments.

Positive Thinking Might Boost Your Immune System’s Responses to Vaccines, New Research Suggests

Researchers found an association between increased activity in a reward region of the brain—primarily stimulated by hopeful thinking—and heightened levels of protective antibodies after receiving a vaccine

The new miniature Sphere at National Harbor would have 6,000 seats.

A Smaller Version of the Las Vegas Sphere May Be Coming to the Washington, D.C. Area

Officials have proposed building a mini-Sphere in Maryland’s National Harbor. One-third the size of the original, the structure would cost about $1 billion

An illustration of a member of the Prototaxites genus, which lived between 420 million and 375 million years ago

This Mysterious 407-Million-Year-Old Fossil May Represent a Previously Unknown Branch of Life

Earth’s first large land organisms—tree trunk-like beings that stood up to 26 feet tall—weren’t early fungi but, rather, something else entirely, a study suggests

Traces of the hand stencil are still visible among younger works of art.

New Research

Can You See the Faded Outline of a Hand? Archaeologists Say This 67,800-Year-Old Stencil May Be the World’s Oldest Known Rock Art

The prehistoric artist likely created the image by spraying ochre mixed with water over a hand flattened on the wall of a cave in Indonesia

More than 1.8 billion people lived under drought conditions in 2022 and 2023, according to a report from the United Nations.

United Nations Declares That the World Has Entered an Era of ‘Global Water Bankruptcy’

We’re living beyond our hydrological means and need to focus on long-term recovery, according to a new report

Virunga National Park in the Democratic Republic of the Congo announced a rare birth of mountain gorilla twins.

Rare Twin Mountain Gorillas Born in the Congo, Giving Hope to Those Working to Conserve the Endangered Animals

While the birth is sparking joy, infant mountain gorillas are vulnerable, and twins can be twice as hard for a mother to take care of

The four watches, which borrow from 20th-century paintings, are the latest art-inspired products from the Swiss company Swatch.

See How These Wristwatches Reimagine Famous Masterpieces by Claude Monet, Jackson Pollock, Edgar Degas and Paul Klee

The Swiss watchmaker Swatch has partnered with the Guggenheim to create a collection inspired by 20th-century artworks from the Impressionist and Abstract Expressionist movements

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