space
As always, Hubble gives us much more than a pretty picture
The cosmic rays that are the subject of this study come from outside our solar system but within our Galaxy and are called galactic cosmic rays
Gamma-rays arising from a black hole merger would be a landmark finding because black holes are expected to merge "cleanly," without producing any sort of light
Three recent studies reveal details about meteor impacts, giant planets and cosmic particle accelerators
JPL is working at developing orbiting solar panels to bring a reliable source of electricity to those in developing countries
"Early life is fragile, so we believe it rarely evolves quickly enough to survive," ANU researchers say.
Researchers discovered the planet's existence through mathematical modeling and computer simulations but have not yet observed the object directly
Rover finds volcanic rocks unlike those returned by Apollo and Luna missions, tantalizing clues to the period of lunar volcanism
Lack of alien-filled galaxies is an interesting and new scientific result
