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Risks to astronauts on extended missions include vision impairment, weakened bones and radiation exposure. There are also psychological risks from facing danger while being stuck inside a small craft.

In a 5-4 decision, the court's conservative justices joined to eliminate the aggregate cap on contributions, but left in place a limit on donations to individual candidates.

The state senate is wrangling with amendments to insert language inspired by the book of Genesis into a bill to make the Columbian mammoth the state's fossil.

For the second day, General Motors CEO Mary Barra faced tough questions from Congress about how her company responded to defects that contributed to at least 13 deaths.

A risque campaign that aims to boost self-exams for breast cancer has reignited a debate about whether they prevent cancer deaths. One doctor says it's time to change how women look for lumps.

In nine months the human brain grows from a single cell to more than 80 billion. Mapping how genes are activated gives scientists clues to the origins of mental disorders like autism.

The Mekons and Waco Brothers veteran often places his left-wing politics front and center in his music and his art. Here Be Monsters has a way of mixing pretty melodies with harsh criticisms.

The Russian president and Lyudmila, his wife of 30 years, announced in June they intended to end their marriage.

Here's the latest bit of evidence that exercise keeps the brain fit. Much of the research has been in older people, but this study found that being fit in your 20s makes you sharper in middle age.

A new study shows that films featuring prominent female characters profit more than those that don't.