A new study suggests the largest stellar-mass black holes form not from single stars collapsing, but from collisions and mergers between smaller black holes.
Metal-tipped stingers and pincers could explain why scorpion stings and pinches are so painful. A new study has explored this amazing feature in more detail.
The Cygnus X-1 black hole emits jets that are bent by stellar winds from a companion star. This has enabled astronomers to calculate the power of those jets.
Shireen Gonzaga is a freelance writer who enjoys writing about natural history. She is also a technical editor at an astronomical observatory where she works on documentation for astronomers.