Science editor Alan Boyle's blog: Astronomers are taking a long, deep look at one of the best-known galaxies beyond our own Milky Way, to learn more about what happened when it gobbled up another agglomeration of stars that got too close.
Students' science experiments are about to make history, launching to space on the first attempt by a U.S. commercial company to send a spacecraft to the International Space Station.
Observations of next month's historic Venus transit may eventually help astronomers spot and study alien planets circling faraway stars, one prominent researcher says.