Evidence of "bone-crushing" dog found at Tennessee fossil site
The university says this is the first evidence of a dog at the site that was a densely forested habitat with plants and tree-dwelling animals.
Science
"Terrifying" study links climate hazards to hundreds of infectious diseases
"There is no speculation here whatsoever," the study's lead author said. "These are things that have already happened."
Due to climate change, Nevada says goodbye to grass
In a state where every drop of water counts, ornamental grass – which accounts for a large percentage of outdoor water use – has been banned in Southern Nevada, just one step being taken to address rising temperatures and shriveling reservoirs.
Experts call for more public urgency on climate change
In a state where every drop of water counts, ornamental grass – which accounts for a large percentage of outdoor water use – has been banned in Southern Nevada. Correspondent Tracy Smith talks with climate and water experts about the steps being taken (or not) to address rising temperatures; and with astrophysicist Neil deGrasse Tyson about the lack of urgency he says is hampering humanity's ability to counter this existential threat to our planet.
Curiosity rover celebrates 10 years
Ten years ago, NASA successfully landed its fourth robot on Mars: the Curiosity rover. It has driven only 18 miles, but what a ride it has been. Michelle Miller has more.
Explorer makes history on busy day of spaceflight
Four rockets were launched from Earth on Thursday. Among them was a United Launch Alliance Atlas 5 rocket carrying a missile warning satellite into orbit for the Space Force. Jeff Bezos' Blue Origin launched six people briefly into space, including Vanessa O'Brien, the first woman to complete the Explorers' Extreme trifecta.
Tonga volcano blasted unprecedented amount of water into atmosphere
Tonga's Hunga Tonga-Hunga Ha'apai volcano spewed an unprecedented amount of water vapor into the atmosphere.
Scientists warn about risks of a worst-case "climate endgame"
"Right now, I think we're being naive. We're not looking at the worst-case scenarios at all, really," says Luke Kemp of Cambridge's Centre for the Study of Existential Risk.
NASA to require a former astronaut to chaperone tourists to ISS
NASA is not trusting private citizens to travel to the International Space Station on their own.
Earth is spinning faster than usual and had its shortest day ever
If it continues, we may have to institute what's called a "negative leap second" – and some engineers say that would wreak havoc on IT systems.
Peltola says she "knew nothing about" the other Dan Sullivan
Live
Trump visits South Carolina, Peltola speaks out and more from the trail
Patrick Stewart, best known for "Star Trek" and "X-Men," dies at 86
Live
Iran claims 4 tankers hit mines in Strait of Hormuz
El-Sayed's faith, family under scrutiny in campaign. Here's what we know.
DOJ issues new subpoenas in Alaska Senate probe
Hegseth fires Pentagon's top military planner over alleged leaks
Investigation
Whistleblower says DEA let fentanyl pills hit the streets
