Tom Metcalfe
Trustworthy journalism comes at a price.
Scientists and journalists share a core belief in questioning, observing and verifying to reach the truth. Science News reports on crucial research and discovery across science disciplines. We need your financial support to make it happen – every contribution makes a difference.
All Stories by Tom Metcalfe
-
ArchaeologyA ‘jar’ jammed with human bones may solve Laos’ ‘Plain of Jars’ mystery
The remains of at least 37 people in an ancient stone 'jar' in northeastern Laos suggest that thousands similar jars were used in burials.
-
ArchaeologyFirst evidence of Neandertal dentistry found in ancient molar
A 59,000-year-old Neandertal molar unearthed in Siberia was drilled with a stone tool – the earliest evidence of primitive dentistry.
-
PaleontologyA fossil reveals early relatives of spiders — armed with claws
A Utah fossil shows early relatives of spiders and scorpions already had distinctive front claws 500 million years ago.
-
AnimalsWhen were dogs domesticated? The oldest known dog DNA offers clues
Two new studies suggest that genetically stable dogs were living among humans in Europe by about 14,000 years ago.
-
ArchaeologyA new study questions when people first reached South America
Data suggest people lived at Chile’s Monte Verde site thousands of years later than thought, challenging key “pre-Clovis” evidence. Not all agree.
-
AnthropologyMosquitoes began biting humans more than a million years ago
A DNA analysis suggests mosquitoes shifted from nonhuman primates to early humans nearly 2 million years ago.
-
Planetary ScienceVenus has a massive lava tube
A collapsed lava tube detected in 30-year-old radar data from Venus may be part of a much wider network of underground caves.
-
ArchaeologyIron Age mass grave may hold unusual victims: mostly women and children
A land dispute may have led to the massacre 3,000 years ago, suggesting Europe’s transition to farming wasn’t always peaceful.
-
ArchaeologyAI helps archaeologists solve a Roman gaming mystery
Researchers used AI-driven virtual players to test more than 100 rule sets, matching gameplay to wear patterns on a Roman limestone board.
-
ArchaeologyThe world’s oldest piece of clothing might be an Ice Age–era hide from Oregon
Two pieces of elk hide connected by a twisted-fiber cord are the earliest evidence of sewing. But what they were used for is still a mystery.
-
ArchaeologyThis ancient stick may be the world’s oldest handheld wooden tool
These 430,000-year-old wooden tools from Greece are a rare find and provide a glimpse at the technical know-how of our early human ancestors.
- Anthropology
This hand stencil in Indonesia is now the oldest known rock art
The work suggests early Homo sapiens developed enduring artistic practices as they moved through the islands of Southeast Asia.