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An artistic rendering of InSight on Mars

What NASA’s Retired InSight Lander Taught Us About Mars

The Red Planet robot was officially decommissioned after dust on its solar panels robbed it of power

Machu Picchu, a 15th-century Inca structure in the Andes Mountains

Helicopters Evacuate Travelers Stranded at Machu Picchu

Hundreds of tourists found themselves trapped at the site as protests spread through Peru

A replica of a Denisovan finger bone fragment. Now extinct, Denisovans were an ancient species of human that mated with ancestors of modern humans.

Denisovan DNA May Have Shaped Immune Systems in Papua New Guinea

The inherited genetic mutations might provide an advantage in fighting diseases

For 25 years, skeptics have been insisting that Jack and Rose could have both survived on their makeshift raft.

Did Jack Really Need to Sacrifice Himself for Rose?

James Cameron commissioned a study to prove that his characters’ tragic ending was inevitable

Defensive response of a male mason wasp to a tree frog

These Wasps Can Fight Predators With Their Spiky Genitalia

The insects jabbed their spines at hungry frogs in a similar way to how females sting

Steven Spielberg on the set of Jaws

Steven Spielberg Regrets How ‘Jaws’ Impacted Real-World Sharks

The movie contributed to a rise in shark trophy hunting

The new trains will feature better lighting, improved signage, panoramic windows, outlets and USB ports and other upgrades.

Take a Sneak Peek at Amtrak’s Newest Trains

The Airo trains will have larger windows, newly designed cafe cars and updated seating

The new hydrogel might someday lead to shock-absorbing smartphone cases, as well as better bullet-proof vests and space equipment.

This New Shock-Absorbing Gel Can Withstand Supersonic Impacts

Made from a resilient protein in human cells, the technology could improve body armor, space gear and even cell phone cases

J. Robert Oppenheimer led the Manhattan Project, a mission to develop nuclear weapons during World War II.

U.S. Reverses 1954 Removal of J. Robert Oppenheimer’s Security Clearance

The “father of the atomic bomb” was accused of being a communist

Taraneh Alidoosti, one of Iran's most famous actresses, voiced support for anti-government protests on Instagram.

Iran Arrests One of Its Most Famous Actresses

Taraneh Alidoosti was detained after criticizing the government’s execution of a protester

The Barbican Library in London, England, is becoming a warm bank this winter.

‘Warm Banks’ at U.K. Libraries Invite Locals to Get Cozy

To help with rising energy bills, they’re providing everything from warm drinks to winter coats

This 2013 photo of P-22 helped catapult him to fame. The cougar inspired conservation projects for urban wildlife and earned a robust Instagram following.

Why Los Angeles Fell in Love With the Mountain Lion Known as P-22

A local celebrity, the feline that was the face of several conservation campaigns died this weekend

A cinnamon black bear

Why Do Some Black Bears Have Brown Fur?

New research pinpoints the 9,000-year-old genetic mutation that gives some black bears a cinnamon-colored hue

Cézanne's Still Life With Bread and Eggs, housed at the Cincinnati Art Museum

Cool Finds

For 158 Years, a Cézanne Portrait Hid Behind a Still Life of Bread and Eggs

While examining the painting, a museum employee had a hunch—and called for an X-ray

President John F. Kennedy delivers remarks at Rice University regarding the nation's efforts in space exploration on September 12, 1962

National Archives Releases Thousands of Kennedy Assassination Files

Over 97 percent of documents related to the event are now publicly available

Archaeologists discovered the sarcophagi beneath the floor of the Notre-Dame cathedral's transept.

Unraveling the Secrets of the Sarcophagi Found Beneath Notre-Dame Cathedral

Archaeologists are learning more about the two men buried under the iconic Paris landmark

New York is now the sixth state to pass a law banning pet sales in stores, following California, Illinois, Maine, Maryland and Washington.

New York Bans Sale of Dogs, Cats and Rabbits in Pet Stores

The law, meant to combat abusive breeders, will take effect in 2024

When Harry Met Sally, written by Nora Ephron, is one of 25 films to be added to the National Film Registry this year.

From ‘Iron Man’ to ‘When Harry Met Sally,’ These Are the 25 New Additions to the National Film Registry

Every year, the Library of Congress selects 25 films of “cultural, historic or aesthetic importance”

An illustration of the SWOT satellite orbiting Earth

NASA Launches New Satellite to Study Earth’s Water

The mission’s data could paint a clearer picture of the effects of climate change

A high-ranking adult male chimpanzee rests in the dry and open woodland vegetation that dominates the Issa Valley savanna-mosaic habitat.

Human Ancestors May Have Evolved to Walk Upright in Trees

Research on wild chimpanzees suggests searching for food in tree branches drove bipedalism

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