A double blast of dying stars may be the first observed case of a long-hypothesized, never proven “superkilonova.” Although ...

Why does the Universe exist instead of having been annihilated shortly after its birth? This fundamental question in physics ...

The combination of a supernova and a kilonova may have produced a rare space explosion that astronomers have never seen ...

Astronomers are witnessing a celestial drama unfold in the V Sagittae star system, located 10,000 light-years away. A dense ...

In astronomy, there is a concept called "degeneracy." It has nothing to do with delinquent people, but instead is used to ...

A distant world with carbon in its atmosphere and extraordinarily high temperatures is unlike any other planet we’ve seen, and it’s unclear how it could have formed ...