One of Chennai's biggest reservoirs, Chembarambakkam Lake, is now a cracked, windswept mud flat. There are swarms of insects as big as hummingbirds, stray goats nibbling at dust-coated shrubs and what look like a few water buffalo — but no water. A massive pipe that's supposed to carry water into the city is empty.

In a Denver ballroom filled with red "Make America Great Again" hats and hundreds of conservatives, Ann Howe doesn't appear daunted by the task of gathering hundreds of thousands of signatures to attempt to recall her governor.

The number of deaths and accidents on Colorado’s rivers is right around normal for a high flow year, according to data from the conservation group American Whitewater. 

Since early June, 12 people have died while rafting, kayaking and paddleboarding on Colorado’s rivers.

“What we’re seeing is what happens during a high water year,” said American Whitewater’s Charlie Walbridge, who has kept a record of river accidents and fatalities since 1975. He maintains the database by editing user-generated posts and combing through news articles.

In the past year or so, scientists have discovered more evidence for liquid water under the surface of Mars. They've found complex organic compounds — the building blocks of life. And they've found that methane levels in Mars' atmosphere vary with the seasons.

"Each of these things adds up to say that the probability of finding life on a world that's not our own is going up," says NASA Administrator Jim Bridenstine. "And Mars, I think, is that best opportunity in our own solar system to find life on another world."

Advocates in Colorado are trying to put an initiative on the 2020 ballot that would bring gray wolves back to the state. If it passes, how would it actually work?

As the sun dips below the horizon, the colored lights turn on — bathing the Navajo Nation Council Chambers in rainbow hues as the crowd cheers.

On June 28, the Navajo Nation kicked off Diné Pride, a two-day event in Window Rock, Ariz., the capital of the Navajo reservation.