LIGO: A NEW WAY TO EXPLORE THE UNIVERSE
LIGO is a joint project operated by the California Institute of Technology and the Massachusetts Institute of Technology and funded by the National Science Foundation. Its purpose is to detect cosmic gravitational waves and to develop gravitational-wave observations as an astronomical tool. Read more...

A nearby star is pummeling a companion planet with a barrage of X-rays a hundred thousand times more than the Earth receives from the Sun. Credit: NASA/CXC/NSF/IPAC/2MASS (see the 

