See Venus rendezvous with the crescent moon in the night sky tonight (Oct. 5)
How satellite data has proven climate change is a climate crisis
5 Nobel-worthy discoveries that haven’t won the prize
Solar power companies are growing fast in Africa, where 600 million still lack electricity
Blue Origin to debut 2nd human-rated New Shepard rocket on Oct. 7 launch (photo)
Where you might be able to see the northern lights tonight through this weekend
NASA's exoplanet hunter TESS spots a record-breaking 3-star system
Phoenix smashes heat records for 10 straight days as sweltering temps grip West
