June

Avi Loeb will deliver a series of four lectures as the recipient of the 2012 Galileo Chair ("Cattedra Galileiana") at Scoula Normale Superiore in Pisa, Italy. The lecture titles and times (in Italy) are as follows: Lecture I | Tue Jun 26th - 11.00 a.m...

Listen to this Podcast from Scientific American. How big can a star get? Based on observations, astronomers think there's a limit of about 150 times the mass of the sun for the vast majority of stars. Listen to a discussion about stars that may have with...

CREDIT: NASA/Chandra X-ray observatory/Smithsonian Astronomical Observatory/Francesca Civano Harvard-Smithsonian astronomers have found a galaxy (within the outlined box) that contains a massive black hole that is being ejected at several million miles...

NASA/Associated Press - This illustration released by NASA depicts a view of the night sky just before the predicted merger between our Milky Way galaxy, left, and the neighboring Andromeda galaxy. About 3.75 billion years from now, Andromeda’s disk fills...