World viewers weigh in on the US debate

The first U.S. presidential debate broke viewership records at home -- and the rest of the world watched with great interest, too.

Elon Musk unveils plans for colonizing Mars

SpaceX Chief Executive Elon Musk on Tuesday unveiled his plans for colonizing Mars, which could eventually involve a fleet of up to 1,000 spaceships to transport as many as 1 million people to the Red Planet.

Keith Scott threatened family, wife said in court papers

A year before Keith Lamont Scott was shot to death by police, his wife filed an application for a protective order against him that said he owned a firearm and had threatened to kill family members with it.

Debate setback provokes Trump to air his gripes

A defensive Donald Trump lashed out at the moderator of Monday's presidential debate and threatened to make Bill Clinton’s marital infidelity a campaign issue.

In addition to fueling aggression, testosterone can also make men more generous, study says

We may routinely invoke testosterone to dismiss boorish behavior. But in polite society, the new research suggests, higher levels of testosterone also drive men to do good things: to donate to charities, behave gallantly toward those in need, and share the proceeds of business deals generously with cooperating business partners.

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