starstruck

Lopsided Supernova Blasts Uncovered

Some jumbo stars commit stellar suicide in surprisingly lumpy explosions, according to a new study in Nature. Scientists led by Caltech’s Brian Grefenstette looked at Cassiopeia A, a supernova that first appeared in nighttime skies around the year 1670. The ...

MAVEN Launches for the Red Planet

When MAVEN fires its thrusters and settles into Martian orbit next September, it will join a celebrity list of spacecraft already studying the red planet. Its launch today from Cape Canaveral, Florida, was a major step toward that goal, one ...