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NASA has announced it is moving forward with several plans to return rock samples from Mars.

Jack Fischer spent more than 100 days aboard the International Space Station in 2017. He described to NPR what being in space for so long does to the body and what it feels like to return home.

The weather-predicting groundhog celebrity has met two presidents and drinks a life-extending elixir: "Our Phil is like, probably 139 years old," Groundhog Club Inner Circle President Tom Dunkel says.

A new telescope could launch as early as late February. SPHEREx will look into deep space and also search for organic molecules.

TikTok has become the go-to source on ADHD for teens and young adults. But a new study finds that a lot of the information is misleading and can make people's symptoms worse.

A committee of experts that advises the Centers for Disease Control and Prevention is critical in setting national vaccine policy. It's also vulnerable to political interference.

Pronatalists believe that modern culture has failed to adequately prioritize the value of nuclear families and making lots of babies. They see powerful potential allies in Elon Musk and JD Vance.

Federal workers at the home agency for the National Weather Service are concerned about a potential overhaul by Trump officials focused on cutting government costs.

As many as 1,300 probationary employees at CDC and 1,500 at NIH are losing their jobs. Many fear for the future of public health and scientific research.

Election officials are spreading the word on efforts to protect the vote.