Asteroid 2004 BL86 and its newly discovered moon passed only 745,000 miles (1.2 million km) from Earth last week. Did you see the still photos? Now see the movie …
Posts by Deborah Byrd
A partial skull from a cave in northern Israel sheds light on the first modern humans to walk out of Africa and their interbreeding with Neanderthals.
Looking out from a sea cave over the Pacific at two planets and the moon.
Who knew asteroids could have flowing water? They are so small, airless and cold that the idea seems surprising, to say the least. The latest evidence, here.
Space travel by LightSail relies on thin, lightweight reflective sails, powered by the sun. First the May launch, then a second launch planned for 2016.
Discovered in 2010, two vast and mysterious Fermi bubbles radiate out from our Milky Way galaxy’s core. An update from the three astrophysicists who found them.
The Suomi NPP and the GOES-East satellites captured the powerful storm as it neared its peak intensity, in the early morning hours of January 27.
Images and video of asteroid 2004 BL86, which swept about 3 times the moon’s distance from Earth on Monday, January 26.
Radar images of asteroid 2004 BL86 confirm the primary asteroid is 1,100 feet (325 meters) across with a small moon 230 feet (70 meters) across.
Asteroid 2004 BL86 came closer than any known asteroid this large until 2027. Information and photos of the asteroid, plus links to more.