A bizarre planet defies cosmic norms: scientists have confirmed a giant planet orbiting in reverse around one star in a close ...

What happens when a planet defies every expectation of how worlds are supposed to form and move? In the nu Octantis system, ...

In a spectacular image captured by the Hubble Space Telescope, the spiral galaxy NGC 1309 glows with cosmic elegance and hides a strange survivor.

If this dead star orbits close enough to its living stellar companion, or if that companion swells up, then the white dwarf becomes a stellar vampire, greedily stripping material from its ...

In 1181 AD, during the Genpei War, a mysterious star appeared in Asia’s skies for a brief time before disappearing again. For 843 years, the cosmic event was a source of confusion for astronomers. No ...

The new image of SNR 0509-67.5 proves that at least some Type Ia supernovae explode twice. In this model, the white dwarf forms a layer around itself of helium that it took from its companion.

More Astronomers have discovered the "missing link" connecting the death of sunlike stars to the birth of white dwarf stellar remnants, in the form of a "teenage vampire" white dwarf. This vampire ...

A white dwarf star in the Large Magellanic Cloud exploded twice in a double-detonation supernova. Credit: ESO / Priyam Das et al. / Hubble / K. Noll et al. Astronomers have finally caught a dying ...

A white dwarf star around 160,000 light years away appears to have exploded twice – the first evidence astronomers have seen that such supernovae involve a double detonation.

It is a white dwarf star that was once "several times more massive" than the Earth's sun. It has been in the process of dying for over 4,000 years, and "will continue to change over many more ...

If this dead star orbits close enough to its living stellar companion, or if that companion swells up, then the white dwarf becomes a stellar vampire, greedily stripping material from its companion or ...