If you're a largely unknown company and you had been working on an Android tablet, right now would be about the worst time to launch it.
Astrophysicist Rosanne Di Stefano compares it to the Hollywood blockbuster 'Speed' - a newly-described type of star that's destined to explode if it slows down.
Berkeley scientists this week discovered a new supernova, closer to Earth than any seen in the last 40 years, and believe they've spotted it within hours of its explosion.
A ten-year-old Canadian girl has become the youngest-ever person to discover a supernova.
New images from the Hubble Space Telescope show an appropriately festive-looking bubble of gas in our neighbouring galaxy, the Large Magellanic Cloud.
While looking for something else entirely, Harvard-Smithsonian astronomers have discovered several double-star systems which are merging, and which may explode as supernovae in the astronomically near future.
Astronomers using ESO’s Very Large Telescope have for the first time been able to see a stellar explosion in 3D.