Contact tracing and genetic testing reveal how SARS-CoV-2 circulated among individuals for weeks, especially in the US, before being detected.

From artificial intelligence to pluripotent stem cells, this year saw the publication of a bevy of intriguing new methods, as well as tweaks to existing protocols.

Chips used by some direct-to-consumer genetic testing firms display a false positive rate of upwards of 85 percent when screening for rare variants, a new study finds.  

Researchers combine CRISPR technology with a graphene transistor to create an electronic sensor for particular DNA sequences.

A CRISPR-based electronic sensor flags target DNA sequences at high speed.

Its screen for selected variants of some disease-linked genes gives customers an incomplete picture of their risk—do they know?

The extremely rare event, thought to be caused by two sperm cells fertilizing the same egg simultaneously, was last reported in 2007.

Learning about your own genetic idiosyncrasies comes with complex emotions.

Data don’t support many direct-to-consumer products, from telomere assessments to bespoke diets based on genetic sequences.

A security researcher found the email addresses and encrypted passwords of more than 92 million users of the genealogy site on a private server outside the company.

Luna DNA, Nebula Genomics, and other “bio-brokers” will allow customers to make money by granting access to their genetic and personal information for research purposes.

DNA from a relative of the suspect submitted to the site GEDmatch gave investigators just enough information to identify him, but the process raises privacy concerns.

The nationwide experiment will initially include around 100,000 volunteers.

Mutations in the TP53 gene appear to influence the prognosis and likelihood of future cancers in pediatric leukemia patients.

An analysis of 49 patient samples finds high proportions of false positives and misinterpretation.

The agency gave personal genomics company 23andMe the green light to screen samples for breast cancer–related genetic mutations.

“Cheddar Man” had dark hair and blue eyes, a sequencing analysis suggests.

The Centers for Medicare and Medicaid Services propose covering the test with Medicare. 

It’s not only about health but also about exploring ancestry and contributing to science.