We know that the rise of oxygen on Earth was key to the development of all life over the past two billion years. But how did the oxygen get here?
Author: Doyle Rice, USA TODAY
Progress made, but Western wildfires bring poor air quality across US; record fire burns amid drought in Hawaii
The Bootleg Fire in Oregon was up to 84% containment early Monday as firefighters made good progress battling the blaze over the weekend.
‘Warping space’: For the first time, light has been spotted from behind a black hole
Astronomers recently saw something they’d never seen before while peering at a black hole some 800 million light-years away.
Southwest monsoon rain bringing drought relief — but also dangerous flooding
Recent monsoon rain in the Southwest is putting a dent in the extreme to exceptional drought across the region, especially in Arizona and New Mexico.
California’s Dixie Fire explodes to ‘megafire’ status as western wildfires continue to rage
California’s huge Dixie Fire exploded to “megafire” status late Thursday, forcing more evacuations in nearby communities, fire officials said.
Friday’s full ‘buck’ moon may look red or orange due to wildfire smoke
A full “buck” moon will rise in the southeastern sky after sunset Friday. Smoke from the wildfires blazing across the West could make it appear red.
Tamarack Fire spreads to Nevada; Western wildfires lead to poor air quality across the US
Smoke from wildfires in the West continued to spread Thursday, bringing hazy skies and poor air quality to many locations.
‘Monster’ Bootleg Fire in Oregon grows as dozens of blazes char western US; Oregon announces campfire ban as conditions worsen
The nation’s largest wildfire grew Wednesday as smoke from dozens of blazes in the West spread across the country.
What is La Niña? The climate pattern – and how it affects our weather – explained
The La Niña climate pattern is a natural cycle marked by cooler-than-average ocean water in the central Pacific Ocean. What you need to know.
Massive Bootleg Fire burns in Oregon as officials seek outside help; smoke seen as far as New York
A massive wildfire in Oregon that’s grown to about half the size of Rhode Island prompted officials to seek help from outside the Pacific Northwest.