Weeks before Europa Clipper was to be shipped for launch, scientists discovered a potentially fatal flaw that might endanger the spacecraft’s ability to study an ocean moon of Jupiter.
Three scientists were recognized by the Lasker Awards for their work on the GLP-1 hormone. Others were honored for work to stop H.I.V. and for immune system discoveries.
Satellite data shows the U.S. releasing more and more of the potent greenhouse gas into the atmosphere, researchers said, despite pledges to cut back.
The central issue in the election is how to correct the economy’s deep imbalances.
A Cal Fire employee was arrested Friday on suspicion of starting several blazes in Sonoma County.
The attack, which Lebanese officials said killed at least 14 and injured more than 60, stoked fears Israel is driving toward a full-blown war on its northern border, even as the fight in Gaza goes on.