Elephants evolve without tusks due to poachers
In the presence of poachers, tusks suddenly become a liability – so some elephants just don't have them
Science
Senate fails to pass vote on "Green New Deal" resolution
The resolution includes plans to remove carbon the nation's economy, reduce greenhouse gases and provide universal health care among other initiatives
NASA scrubs historic all-female spacewalk over spacesuit sizes
Christina Koch, Anne McClain were set to conduct the first spacewalk by two women astronauts
One of Earth's fastest-shrinking glaciers is growing again
Greenland's Jakobshavn glacier around 2012 was retreating about 1.8 miles and thinning nearly 130 feet annually
After Paris climate agreement, oil companies pour $110B into fossil fuels
Between 2015 and 2019, fossil fuel investment by major energy companies dwarfed their spending on low-carbon alternatives
Does Roundup cause cancer? Law says yes, science says maybe
Two juries have now ruled against the maker of the widely used weedkiller
Northern lights could be visible in U.S. this weekend
Star gazers in cities as far south as New York and Chicago may get a rare glimpse of the northern lights this weekend
Two space station astronauts tackle challenging spacewalk
Spacewalkers worked to replace massive batteries in International Space Station's solar power system
Mysterious light over L.A. not a meteor after all
It was not a meteor shower – but something very "Hollywood"
"Potentially historic" flooding threatens Southern states
The specter of major flooding on the Mississippi River upstream from New Orleans is a more perilous situation now than in years past, some researchers believe
DOJ takes steps to charge James Comey again
These factors could decide Netanyahu's fate in Israel's election
First on CBS
Trump's oil and gas stocks gained millions during Iran war
Court dismisses DOJ's request to force California to set aside ballots
Maurene Comey, James Comey's daughter, was unlawfully fired, judge rules
Live
Iran shrugs off Trump's attack threats, says diplomacy ongoing
Duchess Meghan confronted dad over child abuse claims last year
Walter Koenig, actor who played Chekov on "Star Trek," dies at 90
