Facebook Is Weaker Than We Knew

A trove of leaked documents, published by The Wall Street Journal, hints at a company whose best days are behind it.

They Want to Hand Your Kid a Debit Card. What Do You Do?

Start-ups large and small are offering child-friendly debit cards that allow parents to set up guardrails. Picking one depends on your priorities.

Opinion | When an Angry Old Pol Shakes His Fist at the Internet

‘Insta-greed’ may finally lead to regulation of Big Tech.

Facebook Struggles to Quell Uproar Over Instagram’s Effect on Teens

The social network has been all hands on deck as it grapples with revelations that it knew the harmful effects its Instagram photo-sharing app was having on teenagers.

Youth Vaping Declined Sharply for Second Year, New Data Show

Now that it has stopped selling most flavored pods, Juul has become far less popular with teens than brands offering disposable fruit- and candy-flavored devices.

Facebook Downplays Internal Research Released on Eve of Hearing

The social network published its findings about Instagram’s effect on young users, as senators prepared to question an executive on Thursday.

For Transgender Youth, Stigma Is Just One Barrier to Health Care

Discrimination, delays and systemic hurdles prevent young trans people from reaching the care they need, a new study finds.

Opinion | Instagram Is Adult Entertainment

We can’t make social media safe for teenagers. So we should keep them off.

For Transgender Youth, Stigma Is Just One Barrier to Health Care

Discrimination, delays and systemic hurdles prevent young trans people from reaching the care they need, a new study finds.

How Young People’s Social Anxiety Has Worsened in the Pandemic

They expected their 20s to be a time for friends and the passage to adulthood. Instead, they drifted into isolation. Now thousands of young people are struggling to socialize again.

When a Teenager’s Coping Mechanism Is SpongeBob (Published 2017)

It’s no surprise that adolescents find handy, if sometimes quirky, ways to reset when they are feeling overwhelmed.

How Teens Use Downtime to Connect, Distract or Reflect

Different choices for how young people use free time lead to different kinds of relief.

JoJo Siwa Wants to Be ‘a Role Model for People Who Love Love’

At 18, the “Dance Moms” and internet star is returning to reality TV as half of the first same-sex partnership on “Dancing With the Stars.”

Ben Platt Isn’t the Oldest Adult to Play a Teenager Onscreen

Here are our picks for the most memorable performances with the biggest age gaps between star and character. Did they pull it off?

Is Snooping on Teenagers Ever O.K.? (Published 2017)

New research questions the use of spying and suggests better approaches for worried parents.

The Teenagers Are Taking Over Tennis. That Might Not End Well.

The U.S. Open play of Leylah Fernandez, Carlos Alcaraz and Emma Raducanu has been exhilarating. But if the past is prelude, rough seas are ahead.

Opinion | This Is Our Chance to Pull Teenagers Out of the Smartphone Trap

Loneliness among students has soared worldwide. It doesn't have to be like that.

Opinion | Covid Is a Greater Risk to Young People Than the Vaccines

The choice is between vaccinating or eventually getting infected.

Juul Is Fighting to Keep Its E-Cigarettes on the U.S. Market

The company faces declining sales and thousands of lawsuits claiming it knowingly sold its trendy vaping products to minors. Soon the F.D.A. will decide whether it can keep selling them at all.

Juul to Pay $40 Million to Settle N.C. Vaping Case

The settlement is the first in a stream of lawsuits against the company, which has been accused of deceptive marketing practices that contributed to a wave of nicotine addiction in teenagers.