Science

While Democrats broadly say the government has a responsibility to ensure health care coverage for all Americans, they are divided over how to achieve this.

Most Americans think sending astronauts to Mars or the moon should be a lower priority for NASA – or say it should not be done at all.

Depression is rising among American teenagers, and teen girls are particularly likely to have had recent depressive episodes.

Independence Day is a national celebration of freedom, fireworks and frankfurters. It's also, by one measure, the most dangerous day of the year.

Most states in the U.S. allow children to be exempt from vaccinations due to religious concerns.

Majorities in many countries say global climate change is a major threat to their nation. Global concerns about climate change have risen since 2013.

About half of whites correctly answered at least nine of 11 science-related questions, compared with much smaller shares of Hispanics and blacks.

Most Americans believe the health benefits of the MMR vaccine are high and the risks are low. Many favor school-based vaccine requirements.

Religiously active Americans are less likely to drink alcohol than those who are not as religious – but religion's relationship with drinking is more nuanced.

Seven-in-ten U.S. teens say anxiety and depression are major problems among their peers. Yet anxiety and depression aren't the only concerns for teens.