With prediction markets booming, so have concerns about insider trading. Now, Kalshi has disclosed its first public actions against accounts suspected of trading on confidential information.

Wadi Rum's otherworldly landscape is where Star Wars movies and The Martian were filmed. In late winter, plants emerge in this desert — but some are toxic to camels, so their herders must protect them.

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.

Rooftop solar installers are steering customers toward leases instead of purchases. Federal tax credits for purchased systems have ended but are still available for leased ones.