Russia announced Monday that it's been sitting on a huge deposit of diamonds buried under an impact crater in Siberia. And these aren't just any diamonds: they're twice as hard as normal, thanks to their instantaneously violent extraterrestrial origins.

By the looks of this video, Monday night would not have been a very jovial night to spend on Jupiter. Two amateur astronomers spotted a bright white flash for a few seconds just inside Jupiter's eastern limb, which was probably a fireball a hundred miles in diameter caused by an asteroid or comet impacting Jupiter's atmosphere. Ka-POW!

Believe it or not, Bruce Willis had sort of the right idea in Armageddon: the most effective way to nuke an asteroid that's threatening Earth is to detonate the weapon deep inside the rock as opposed to on the surface. There may be a Willis/Affleck-free way to make this happen, by using an artificial asteroid of our own.

Not content to sit back and wait for an asteroid to obliterate all life on Earth, a group of scientists and space vets are launching their own telescope. Sentinel will be the world's first privately funded space telescope, and it will orbit the sun and map out the asteroids lurking around the interior of our solar system.