The big news: Juno is entering orbit around Jupiter, after a five-year journey. NASA’s mission page is here; Tweets are here.

More science-related news and video below.

We’ll give you Con and Cosplay content later this week!

Mars may once have had many small moons.

The ozone layer shows signs of recovery.

Bio-artist Amy Karle is using a 3-D printer and stem cells to grow bone sculpture:

And in odder news, some headcase apparently wants to kill Stephen Hawking.