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Ancient cave paintings can harbor human DNA for millennia, scientists find

The breakthrough could reveal previously hidden ancient human activity inside caves, acting as 'genetic archives'

The White House goes all in on aliens with new UAP Science Advisory Council

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence community, as well as to publish its findings in peer-reviewed journals

Why digital government records are so hard to preserve

Chat apps, email, and cloud files have become the primary record of how power is exercised. Archivists are trying to preserve them before formats go dark or messages disappear without a trace

How to avoid heat illness and stay safe during the mega heat wave

A heat wave over the Fourth of July weekend could put millions at risk of heat-related illnesses. Here's what to do to stay safe—and why you don't just need to drink lots of water

Male marathoners might be twice as likely to ‘hit the wall’ as women—the reason why might surprise you

The way women use energy while running is fundamentally different from men

NASA needs volunteers to spend a year locked in a Mars simulation

The space agency has put out a call for its Moon & Mars Exploration Analog, which recreates the challenges of a long-duration space mission

Scientists React to the Lab-Made, Yet Lifelike, SpudCell

K. R. CALLAWAY

This cell-like structure can grow, feed, divide and compete. Researchers ponder what it means for the future of synthetic biology and our definition of “life.”

How to Make a Time Capsule That Will Last 250 Years

K. R. CALLAWAY

The America250 time capsule will hold dozens of historical treasures. Avoiding dampness and other dangers requires lots of engineering.

U.S. to Overhaul Radiation Safety Rules to Spur Nuclear Expansion

BRAD PLUMER

The Nuclear Regulatory Commission plans to end longstanding guidance that radiation exposure be “as low as reasonably achievable.”

Archaeologists uncover new history from the Battle of Bunker Hill, the first major battle of the American Revolution

New archaeology has uncovered everything from musket balls to wig curlers at the site of the Battle of Bunker Hill, the first major clash of the American Revolution

The Lincoln Memorial Reflecting Pool’s algae problem has better solutions than hydrogen peroxide, experts say

Trying to kill algae with chemicals is a common response when community ponds or other water features go green, but a freshwater ecologist says there may be safer and more effective solutions

The biological dogma that women don’t make new eggs after birth may be wrong

Female mammals have long thought to be born with all the eggs they would ever have, but new research is challenging that consensus

What will happen to the moon in the far future?

The moon is Earth's constant companion. But will that always be the case?