Deadly tornadoes rip IL, 5 other states
Storms brought killer tornadoes to IL, Ky., and several other areas in the area, killing 70 in Ky., destroying buildings, uprooting trees.
Science
A long partial lunar eclipse occurred this morning
Friday morning's partial lunar eclipse was one of the longest partial lunar eclipses ever and the longest in several hundred years.
Centennial fans, amid flood warning, flood football field
1st home victory in 8 years at a Md. high school; the state's capital experienced flooding that brought kayakers into the streets.
Digging into a gap in time at the Grand Canyon
Why have more than a billion years' worth of rocks gone missing from the geologic record at certain sites in the Grand Canyon?
Millions of Americans under extreme heat
It's hot out there for large portions of the country. If you live in an area under a heat advisory or warning, take precautions to stay safe.
Climate: How bad it gets is up to us
Climate change and its effects are unavoidable, but we can still spare children some of the most dire consequences. Will we?
A week of historic cold and snow
A hazardous storm brought cold and snowy conditions, leaving millions without power and clean water in the US heartland, esp. in Texas.
Perseverance lands on Mars
NASA's rover lands on Mars, on a mission to look for signs of extinct life. What can it teach us about life on Earth?
Periodic table with superheroes and apps helps
Researchers say students retain learning better in chemistry if small modifications are made to the subject's main tool.
Great conjunction; it’s not usually this good
Viewers in the Northern Hemisphere could see Jupiter and Saturn really close to each other this week.