SpaceWhat would really happen if you landed on an asteroid? Asteroids are far weirder than we had imagined – landing on one wouldn't go as you expected, says astronomer Phil Plait 51¶¯Âþ
PhysicsBizarre portal-like ‘ring wormholes’ could let you time travel A ring wormhole is one that you could simply step through, like a portal through space – but new, more detailed models have shown that they could be a portal through time as well 51¶¯Âþ