SpaceX may soon start landing rockets on a platform after they've left Earth
Hundreds of thousands of gallons of oil from BP spill may be on the ocean floor
Officials: still no Asian carp in Great Lakes
Century-old notebook reveals details of ill-fated Antarctic expedition
Giant sunspot won't stop shooting solar flares into space
Astronomers capture images of exploding white dwarf fireball
New paper Ebola test can detect strains within 30 minutes
Microbes released from melting permafrost speed up climate change
Death and social media: what happens next when a user is gone
SpaceX Dragon returns safely from ISS, splashes into Pacfic Ocean
Google exec breaks skydive record with dive from near-space
Massive sunspot sending violent flares toward Earth
Powerful new microscope sees cell division in real time
Stone tools reveal Ice Age settlement in the Andes
Astronomers discover worst-smelling comet in space