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"Dave's Mom, Dorothy Mengering." That's how she signed her note to me. It was Dorothy Mengering's way of saying she didn't consider herself as a...

With a midnight tweet, Ted Cruz became the first major candidate to announce he is running for president. But Cruz faces an uphill climb against better-funded and better-known candidates.

The ambitious Silicon Valley giant is looking to stay dominant in our technological future. But can it adapt quickly to a changing marketplace?

The Securities and Exchange Commission is worried about the rise of new ways to invest in digital currencies like bitcoin. Regulators warn of potential "fraud and manipulation" in proposed funds.

Astronomy is forever changed by the viewing of the collision of neutron stars; we can now watch these processes in many different ways as they run their course, says astrophysicist Marcelo Gleiser.

Kikkan Randall and Jessica Diggins are the first American women ever to win a medal in cross-country — and they made it gold.

Congratulations to Procter & Gamble, which swept the top Super Bowl commercials, according to ADWEEK. "Tide, which aired four brilliant commercials...

A project called the Event Horizon Telescope is analyzing data taken earlier this year using interferometry — and we may be remarkably close to "seeing" a black hole, says astrophysicist Adam Frank.

The Winter Olympics in Pyeongchang will be the first to allow figure skaters to perform to vocal music. Organizers hope the change will help create a new generation of fans for the sport.

Betsy DeVos heard from teachers and students this week after appearances in Parkland, Fla., and at the SXSW EDU conference.