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Can the world’s religions survive the existence of aliens?

Finding alien life could shake some people to their very souls, but different religions can take very distinct approaches to the existence of extraterrestrial life

Scientists can now rewire living brains

The tool could eventually lead to an entirely new approach for treating mental health

Mathematicians find an infinite number of Ramanujan equations

Knots show how to generate infinitely many formulas of a kind developed by the visionary genius

Five things you need to know about the Trump administration’s rollback of methane regulations

The gas is a major driver of climate change

After Reinventing Mathematics, Can A.I. Eradicate Computer Bugs?

CADE METZ

Using the same techniques that allowed A.I. technologies to crack a million-dollar math problem, researchers are building new systems that aim to solve the world’s cybersecurity crisis.

After Flying Past the Moon, an Artemis II Astronaut Lands in California

KENNETH CHANG

Reid Wiseman, now a retired emeritus astronaut, will become deputy director of the Jet Propulsion Laboratory, NASA’s premier center for deep-space robotic missions.

New Batteries That Store Blistering Heat Are Taking Off

BRAD PLUMER

Large batteries that store electricity have revolutionized power grids and car markets. Now some start-ups are betting that “heat batteries” could be just as transformative.

Three Stone Age Caves Reveal Continual Cannibalism

JOSHUA RAPP LEARN

A tour of the three caves in southern Spain suggests that people in the area cannibalized one another as funerary practice over many generations.

Neutrinos Are Everywhere. A Physicist Explains.

STEVEN KURUTZ

Dr. Francis Halzen, the recipient of the Nobel Prize in Physics, sheds some light on the mysterious, subatomic particles that whiz through us every day.

A New Dwarf Planet (Probably) Spotted Beyond Pluto

KENNETH CHANG

The object, known for now as 2026 ED138, is one of the first discoveries by the new Vera C. Rubin Observatory in Chile.

These Patients Struggle With Runaway Bones. Finally There’s Hope.

STELLA RAINE CHU

F.O.P., a rare genetic condition, causes uncontrolled explosions of bone. A new drug may slow or halt the process.

Oldest known Mars rock is a ‘Rosetta stone’ for the Red Planet’s watery past

Blasted off Mars by a giant impact long ago, the meteorite Teghaza 001 eventually fell to Earth in the Sahara Desert. Now it's revealing previously hidden chapters of Mars's deep past

The New DNA Technology That Linked Ted Bundy to a 52-Year-Old Cold Case

ALEXANDER NAZARYAN

Software known as STRmix was instrumental in identifying Mr. Bundy’s DNA in a decades-old sample.

What’s the scariest thing in the universe?

It's Halloween, and nothing is scarier than our terrifying universe

The science of why we’re obsessed with vampires

What vampire stories reveal about changing fears, identities and human nature