Officers arrested the teens because they were in violation of the National Mall's vending regulations, which prevents people from selling items without a permit.
Eyes in the sky to locate water resources may be many Middle Eastern nations' best hope for alleviating an acute water supply problem.
There's no gain in the U.S. participating in a treaty that combines bad science with bad economics.
Scientists showed the potential habitability of the planet under different atmospheric conditions and orbits using a state-of-the-art model.
Drone footage captured pits full of water that had been turned dark red by pollution.
India's sacred Ganges river and its main tributary, the Yamuna, have been declared "legal and living entities having the status of a legal person."
Law enforcement can use the nanotechnology to track artifacts, though some are skeptical the trafficking is as widespread as reported.
Trump's executive order directs the Justice Department to ask a federal court to put legal challenges to the rule on hold as the administration conducts its review, a senior official said.
Nearly half the population will not have a reliable food source by summer.
The new machines could represent the biggest leap forward in the industry since electric-powered washing machines.
Fighting flares in Avdiivka as electricity and water links fail for its trapped residents.
Even the most familiar substance still has secrets hiding within.
Authorities say the protesters were aggressive, starting fires and hurling rocks.
Climate change and noise pollution could silence cod and haddock chatter.
This shoebox-sized spacecraft could transform the way we store and use energy.
Downpour of up to 8 inches of rain caused the Missouri River to flood streets.
The Syrian city has now been without running water for four days, according to the U.N.
Abbas lacks charisma and wears a suit and tie, unlike Yasser Arafat, but those qualities should not be mistaken for any intention to sign a peace deal.