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

Orbiting a pulsar, astronomers have found a strange, lemon-shaped exoplanet with winds of helium and pure carbon, denser than ...

Describing matter under extreme conditions, such as those found inside neutron stars, remains an unsolved problem. The ...

Astronomers have spent more than a decade watching a compact stellar remnant called P13 slip into near silence and then surge ...

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 ...

A distant neutron star unexpectedly reawakened, unleashing a powerful X-ray surge that may reveal how the universe’s most ...

Us Weekly chooses the best albums of the year, with releases from artists including Justin Bieber, Lady Gaga and more ...

Its last close encounter was in mid-September, the closest one yet, passing just 3.8 million miles from the solar surface. It passed through the boundary between outer space and the region where the ...

The cause of death for former Finding Prince Charming contestant Chad Spodick has been revealed, just days after his family ...

The bright binary star system V Sagittae will flare up multiple times before finally going supernova within the next 100 ...

In the end, the Universe becomes a place where gravity and quantum physics slowly turn all mass into faint streams of particles.

A research team from the Institute of Modern Physics (IMP) of the Chinese Academy of Sciences (CAS) has directly measured the masses of two highly unstable atomic nuclei, phosphorus-26 and sulfur-27.