Manure, fertilizers overload parts of Minnesota with nitrogen, mapping project finds
Group tracks where nearly 50 million tons of animal waste goes on Minnesota fields, adding nitrates to wells, rivers and lakes.
Twitter fact-checks Trump; he threatens new regs or shutdown
President Donald Trump, the historically prolific tweeter of political barbs and blasts, threatened social media companies with new regulation or even shuttering on Wednesday after Twitter added fact checks to two of his tweets. He turned to his Twitter account — where else? — to tweet his threats.
'Bummed out': SpaceX launch scrubbed because of bad weather
The launch of a SpaceX rocket ship with two NASA astronauts on a history-making flight into orbit was called off with less than 17 minutes to go in the countdown Wednesday because of thunderclouds and the risk of lightning.
Nation
'Back in the game': SpaceX ship blasts off with 2 astronauts
A rocket ship built by Elon Musk's SpaceX company thundered away from Earth with two Americans on Saturday, ushering in a new era in commercial space travel and putting the United States back in the business of launching astronauts into orbit from home soil for the first time in nearly a decade.
World
As big economies plan to start up, climate change is at a crossroad
The course of the world's giant economies is crucial if the fast-warming planet is to have a fighting chance to head off the blistering heat, droughts and wildfires.
Nation
Scientists' revised timeline finds virus spread in U.S. started later that first thought, missing chance to save more lives
The revised timeline may clarify nagging ambiguities about the arrival of the pandemic.
National
In a first, Twitter adds fact-check warnings to Trump tweets
For the first time, Twitter has flagged some of President Donald Trump's tweets with a fact-check warning. On Tuesday, Twitter added a warning phrase to…
Nation
Jonas Salk's son warns: 'The disease can come back'
SAN DIeGO – He lives in La Jolla Village, near a cove that is attracting sunbathers this weekend, despite social distancing rules. Peter Salk’s favorite…
Science
After 17 years underground, cicadas stage Southern invasion
They break through the ground, like the undead emerging from graves. They scuttle in huge packs in the same direction, through the forest floor and…
Science
Did that drone just tell us to stay 6 feet apart?
At least 40 law enforcement agencies across the country have used drones in the past few months for coronavirus-related purposes.
World
Cyclone, breached dam and hurricane warning serve as reminders of climate change
Pandemic collides with extreme weather events.
Nation
Coronavirus pandemic claims another victim: Robocalls
Have you been missing something amid the lockdowns and stay-at-home orders? No, not human contact. Not even toilet paper. Robocalls. Industry experts say robocalls are…
Variety
NASA's newest test pilots are veteran astronauts, friends
The two astronauts who will test drive SpaceX's brand new rocketship are classmates and friends, veteran spacefliers married to veteran spacefliers, and fathers of young sons.
National
US regulators approve new type of contraceptive gel
U.S. regulators on Friday approved a birth control gel that works in a new way to prevent pregnancy. Phexxi — pronounced FECK’-see — comes in…
Science
What scientists are learning to try to be ready for what's after COVID-19
The coronavirus field is undergoing a rapid change, needing more funding and more scientists in the field.
Science
Scientists launch wide dragnet against elusive killer
Scientists say fighting elusive killer will require multiple paths and drugs.
Science
When cadaver dogs pick up a scent, archaeologists find where to dig
An experiment in Croatia marked the start of one of the most careful inquiries yet carried out of an unusual archaeological method.
Science
Bee species thought extinct rediscovered
Before this spring, the blue calamintha bee had not been observed since 2016.
Science
Traditional healers cultivate healing plants and lost heritage
Once forced underground, they gain new recognition as the Indian Health Service embraces their knowledge.
National
Forecasters predict busy 2020 Atlantic hurricane season
With forecasters predicting another intense Atlantic hurricane season with as many as 13 to 19 named storms, disaster preparedness experts say it's critically important for people in evacuation zones to plan to stay with friends or family, rather than end up in shelters during the coronavirus pandemic.
National
NASA, SpaceX bringing astronaut launches back to home turf
For the first time in nearly a decade, U.S. astronauts are about to blast into orbit aboard an American rocket from American soil. And for the first time in the history of human spaceflight, a private company is running the show.
Nation
Slow U.S. response to virus led to at least 36,000 deaths, model shows
The enormous cost of waiting to take action reflects the unforgiving dynamics of the outbreak.
Variety
Richard Branson's Virgin Orbit plans first space launch
Richard Branson's Virgin Orbit is targeting the coming weekend for its first attempt to launch a demonstration payload into space aboard a rocket released from beneath the wing of a Boeing 747.