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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

U.S. Restricts Trade With Chinese Genomics Company

REBECCA ROBBINS AND ANA SWANSON

The move will block shipments from BGI, a major Chinese firm that U.S. officials allege is associated with forced labor and the abuse of minority groups.

RFK Jr. to Allow Broad Use of Unapproved Peptide Injections

CHRISTINA JEWETT

In a unilateral declaration by the health secretary, several injections promoted by online influencers will become widely available. The F.D.A. had advised against the move.

Dozens of Headless Skeletons Pose a Macabre Mystery

FRANZ LIDZ

Mass graves found at a Stone Age farming settlement in Slovakia have researchers baffled about the details — including the location of the missing skulls.

An exclusive conversation with the developer of REA, the viral AI reverse engineering tool

An AI tool called REA can take apart software that isn't meant to be opened in printers, smart TVs, cars, and more. Its pseudonymous creator wants everyone to get a peek

Scary Ghost Stories From New York Times Archives

SARAH BAHR

From haunted zoo cages to ghostly bar owners, here are five stories from our archives that will make you shiver, or maybe chuckle.

This October is on track to be the hottest ever recorded

Global projections suggest this October will be 1.76 degrees Celsius higher than preindustrial averages

‘Paleo lighting’ can fix your brain’s clock after daylight savings

The clocks falling back this weekend gives you the opportunity to sleep like a caveman

The world’s biggest cities are sinking. Is yours one of them?

Global cities are subsiding by up to several inches a year, an exhaustive new survey shows

Math Puzzle: Mysterious pyramid

Can you ascend this unusual pyramid?