The massive black hole has been dubbed GW231123. Its unusual size and behavior is challenging scientists' understanding of ...

Is the sun an only child? Or was it born into a (very, very) big family?. The answer would tell us more than just how awkward holiday family reunions can be (if you think yours are bad, imagine ...

While SLRs probably existed in the part of the filament where the Sun and Solar System formed, the meteorite samples contained too much of a particular aluminum isotope for the interstellar medium ...