Scientists at the Smithsonian National Museum of Natural History joined Cheddar to discuss the possibility that the world is undergoing its sixth mass extinction event.
World leaders are promising to protect the world’s forests, cut methane emissions and help South Africa wean itself off coal at the U.N. climate summit.
A group of prominent academics and activists are calling on banks and insurers to avoid the kind of systemic collapse that crippled the world economy back in 2008.
SpaceX is resolving toilet spills in its capsules before it launches another crew for NASA. Liftoff is currently set for early Sunday from Florida's Kennedy Space Center.
Last spring, as false claims about vaccine safety threatened to undermine the world's response to COVID-19, researchers at Facebook found they could reduce vaccine misinformation by tweaking how vaccine posts show up on users' newsfeeds.