At about 100 meters from the cargo bay of the space shuttle Challenger, Bruce McCandless II was farther out than anyone had ever been before. Guided by a Manned Maneuvering Unit (MMU), astronaut McCandless was floating free in space.
Rapid Evolution Saved This Fish From Pollution, Study Says
Researchers report that four distinct populations of killifish living in four Superfund sites on the East Coast have separately and rapidly evolved a genetic adaptation that allows them to survive in severely contaminated waters. via rddit science http:
All Eyes on Oldest Recorded Supernova This image combines data from four different space telescopes to create a multi-wavelength view of all that remains of the oldest documented example of a supernova, called RCW 86
Waves Above the Earth May Have Once Caused a ‘Nocturnal Sun’
Earliest galaxies suddenly appeared from the cosmic fog. Astronomers using one of the world’s most powerful telescopes have captured images of some of the first galaxies to shine as the Universe switched on, less than 700 million years after the Big Bang: