Readers write about peace between Israelis and Palestinians, how leadership builds the public's trust in government, and single-issue voters.
New data from NASA’S MESSENGER spacecraft suggests Mercury was shaped by volcanism.
How to make sure your old television set is ready to make the leap next year.
Two attacks on American forces come as allies Pakistan and Afghanistan are calling for dialog with the Taliban.
McCain has the experience, but Obama may be more open to Pentagon advice.
The Alaska Republican faces an uphill battle to win a seventh full term.
If Obama wins and Democrats gain greater control in Congress, it could happen.
The alleged incursions into Syria, and previously into Pakistan, could be risky.