Project Nightflight in Austria has a new web platform, presenting not just astrophotos, but also the sounds they heard while capturing them. It's wonderful.
When did our human population reach one billion? How long to add each billion after that, to bring us to the 7+ billion humans on Earth today? What's next?
It took just over two years for the radioactive plume from Fukushima, Japan, to travel via ocean currents and reach the shores of North America, researchers say.
One of the most beloved Hubble Space Telescope images is called the Pillars of Creation, first captured in 1995. Check out this new Hubble image of the pillars!
This is "gyrochronology," from Greek words gyros (rotation), chronos (time). It can help identify distant planets old enough for complex life to have evolved.