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He’s the Last Great Land Artist You’ve Never Heard Of

TRAVIS DIEHL AND BRAD TRONE

Charles Ross spent 50 years building “Star Axis,” a naked-eye observatory in New Mexico. Now his masterwork is ready. How to share it with a changed world?

Dunes Sagebrush Lizard Stripped of Endangered Status by Judge

CATRIN EINHORN AND MAXINE JOSELOW

The dunes sagebrush lizard, found only in the oil-rich Permian Basin, was classified as endangered two years ago.

U.S. pledges $5 billion to boost AI in government-backed scientific research

The White House's senior science adviser faced questions over research funding cuts from lawmakers on Wednesday

What OpenAI’s rogue agent really did in the Hugging Face hack

This agent pursued its objective far beyond what researchers intended, revealing how difficult to contain powerful AI systems can be

Long-lost coral reefs rediscovered off the coast of Africa

This marine ecosystem in the Gulf of Guinea shows the resilience of coral reefs against climate change

What Were the Lotus-Eaters Eating in Homer’s ‘Odyssey’?

JACK TRUESDALE

In Homer’s epic, Odysseus’s men eat something so powerful that they forget about home. Which plants could have produced such a soporific, narcotic and amnesiac effect?

Video reveals orcas smashing fish to smithereens, possibly for fun

The behavior could be a strategy to help younger orcas feed, or it may just be for their own amusement, researchers say

Do animals act weirdly during a solar eclipse? Or do we?

There are many observations of animals behaving oddly during eclipses, but the reason may have nothing to do with the sun and moon

A Peptide Showdown: F.D.A. Scientists May Clash With R.F.K.’s Agenda

CHRISTINA JEWETT AND DANA G. SMITH

Agency scientists are advising against allowing widespread use of several peptide injections. Robert F. Kennedy Jr., the health secretary, has said people should be free to experiment.

1,700 H.I.V. Treatment Sites Closed After Trump Aid Cuts, a Study Finds

APOORVA MANDAVILLI

New research also shows that children and high-risk adult populations have been particularly affected.

Watch orcas smashing fish to smithereens, possibly for fun

The behavior could be a strategy to help younger orcas feed, or it may just be for their own amusement, researchers say

2026 Fields Medals go to four young mathematicians

The 2026 Fields Medals recognize breakthroughs in the math of messy fluids, tangled knots, spinning pencils, and more

Hong Wang Twirls in Fractal Dimensions of Three

KENNETH CHANG

The young mathematician won a prestigious Fields Medal for her work on the so-called Kakeya conjecture.

Jacob Tsimerman Lives in Number Theory

KENNETH CHANG

Dr. Tsimerman won one of four Fields Medals, an award for top mathematicians under 40, for his work on the André-Oort conjecture, but is now changing his focus to artificial intelligence.

How to Eat a 2,000-Pound Fish? These Orcas Choose to Pulverize It.

ALEXA ROBLES-GIL

Marine biologists in Mexico captured video of a strange maneuver that killer whales used to shred their meal.