A new study finds that horse whinnies are made of both a high and a low frequency, generated by different parts of the vocal tract. The two-tone sound may help horses convey more complex information.
The Supreme Court struck down President Trump's signature tariffs. But the president has other tariff tools, and consumers shouldn't expect cheaper prices anytime soon, economists say.
Trump touts economy, attacks political foes in State of the Union address, Trump tries to sell voters on his view of the economy, U.S. House rejects aviation safety bill.