Amtrak service resumed between New York and New Haven, Connecticut, Tuesday afternoon, the national train operator announced in a statement, five days after a derailment on one of the busiest tracks in the country injured more than 70 people.

The Senate Judiciary Committee approved the bipartisan "Gang of Eight" immigration reform bill on Tuesday, sending the measure to the Senate floor for consideration and giving the bill's backers their first major legislative victory.

Members of the De...

The controversy over the extra scrutiny the Internal Revenue Service imposed on some conservative groups seeking tax-exempt status could take a new turn Wednesday when IRS official Lois Lerner is expected to assert her Fifth Amendment right against s...

After questioning Apple CEO Tim Cook in a congressional hearing Tuesday, Sen. John McCain ran out of time and didn't get to ask one pressing question on his mind.