Just what lies beyond the next valley, canyon, crater, or hill is NASA's perpetual question.

Check Out NASA's Retro Mars Recruitment Posters

Farmers, teachers, surveyors and engineers will all be needed in the envisaged Mars settlement

A drawing of one of the Athenian ship sheds built in the harbors of Piraeus

Archaeologists Uncover Massive Naval Bases of the Ancient Athenians

Researchers have excavated ship sheds in the city of Piraeus that held triremes from the pivotal Battle of Salamis

The 'Andrea Doria' in its last hours

New Footage Shows Rapid Breakdown of Shipwreck 'Andrea Doria'

Researchers visited the remains of the Italian luxury liner in a submersible to figure out how quickly wrecks deteriorate

Artist's rendering of the first U.S. dolphin sanctuary

National Aquarium Will Move Dolphins to Seaside Sanctuary by 2020

Under mounting public pressure, the aquarium's eight bottle-nosed dolphins will soon move to a seaside retreat in the tropics

The Complicated History Between the Press and the Presidency

Banning a newspaper like the 'Post' is a move that wouldn't fly even in the Nixon White House

Alewives returning to spawn in Wynants Kill

Herring Spawn in Hudson River Tributary for the First Time in 85 Years

River herring are spawning in Wynants Kill tributary after one of the many dams along the Hudson was removed

Preah Khan of Kompong Svay as seen by Lidar

Laser Scans Reveal Massive Khmer Cities Hidden in the Cambodian Jungle

Using Lidar technology, researchers are discovering the extent of the medieval Khmer empire

A Brief History of Bog Butter

Turf cutters in Ireland regularly find chunks of butter deep in the nation's peat bogs. What is the stuff doing there?

Bronze Buckle Shows Ancient Trade Between Eurasia and North America

Metal objects found on Alaska's Seward Peninsula indicate that local people received trade goods from Asia almost 1,000 years ago

Scene from All is Lost, a 1923 film identified at the Library of Congress's Mostly Lost Film Festival

The Library of Congress Needs Your Help to Identify These Silent Movies

For the fifth year, the "Mostly Lost" film festival calls on its audience to help identify obscure details in movie-making history

The world's first ring designed for racing cars, built in 1907. It's one of 21 sites Historic England is asking more information on from the public

Help England Crowdsource Its History

Historic England is asking the public for information and photos on 21 weird and wonderful sites on its list of historic places

Extremeophile Worms Discovered Living in Toxic Colorado Cave

Sulphur Cave in Steamboat Springs is home to a new species of blood-red worm capable of living in a cave full of hydrogen sulfide

Unding Jami ascends the world's tallest tropical tree to get a measurement

Researchers Discover World's Tallest Known Tropical Tree in Sabah's "Lost World"

A 293.6-foot endangered yellow meranti tree on the island of Borneo was discovered by scanning its forests

Bison Fossils Offer Clues to Track Human Migration Into the Americas

DNA analysis of bison fossils show that people likely migrated down the Pacific coast and not through the Rocky Mountains

Last Known 9/11 Search-and-Rescue Dog Dies

Bretagne was the last surviving dog from the 300 that worked at the World Trade Center site

Paul Amotun Lokoro and Anjelina Nadai Lohalith of South Sudan, part of the Olympic's first team of refugees

Olympics Allows Refugees to Compete on Their Own Team

Ten refugee-athletes from Syria, Sudan, Ethiopia and the Republic of Congo will compete at the Rio Olympics

Larval perch with a stomach full of microplastic

Baby Fish Prefer Plastic Over Natural Food

Larval perch gorge themselves on microplastics, which seems to be stunting growth and affecting natural instincts

X-Rays Reveal "Hidden Library" on the Spines of Early Books

Researchers are uncovering fragments of medieval texts used in early book binding

Kelly Slater tests his new wave machine in Lemoore, California

Surf Legend Builds Artificial Wave That Could Bring Surfing to the Masses

The World Surf League just bought Kelly Slater's artificial wave technology, a move that could bring surfing to places like Nebraska

Joseph Wright's "An Experiment on a Bird in an Air Pump," 1768

Doctors Diagnose Diseases of Subjects in Two Famous Paintings

The doctor will frame you now

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