8 things you didn't know about the autumnal equinox
September 12, 2019, 2:48 p.m. by Melissa Breyer
If you've ever wondered what hamsters and the French Revolution have to do with the first day of fall, we've got the answers.
The most extreme bolts of lightning strike in winter
September 11, 2019, 8:27 a.m. by Mary Jo DiLonardo
These 'superbolts' are more common over water.
For the first time in 360 years, some compasses will actually be right
September 2, 2019, 9:11 a.m. by Christian Cotroneo
But the real problem is Earth's wandering magnetic pole.
What happened to those delightfully cool summer nights?
August 29, 2019, 11:55 a.m. by Mary Jo DiLonardo
Looks like we can blame climate change for this too.
Heat wave hits Greenland, melting 11 billion tons of ice
August 8, 2019, 2:44 p.m. by Mary Jo DiLonardo
Greenland's ice sheet is melting fast due to the same weather that recently baked Europe.
These electric-blue night clouds are expanding around the globe, says NASA
July 2, 2019, 11:37 a.m. by Michael d'Estries
Beautiful phenomenon, relatively new to science, may be growing due to greenhouse gas emissions.