In a new study, some juvenile sea spiders were able to regrow amputated body parts, which was previously assumed to be impossible in these marine arthropods.
The most notorious pirates wreaked havoc from China to the Caribbean. Here are 10 fearsome pirates from history.
Asteroid 2023 BU will be closest to Earth on Thursday (Jan. 26) at 7:27 p.m. EST (2127 GMT).