WASHINGTON (Reuters) - A slowly cooling stellar ember called a white dwarf with a scar on its face is providing new insight into the behavior of certain "cannibal" stars at the end of their life cycle ...

A team of U.S. astronomers has observed a binary pair of white dwarfs where one star is actively devouring material from the ...

Gamma Cassiopeiae, the central star of the W-shaped Cassiopeiae constellation, has long stumped astronomers because of its ...

Artist depiction of the white dwarf in the AE Aquarii system Image right: The white dwarf in the AE Aquarii system is the first star of its type known to give off pulsar-like pulsations that are ...

Artist’s impression of the long-period transient J1634+44, revealed to be a white dwarf with a companion. Credits: NSF/AUI/NSF NRAO/P. Vosteen. LOFAR is a low-frequency radio astronomy array that ...

In about 7 billion years our sun will become a white dwarf, the name for a star that depleted its nuclear fuel and only shines as a remnant of what it once was. No star is ever born as a white dwarf ...

In an ancient star system expected to be stable and dormant, scientists found a 3 billion-year-old white dwarf star still tearing apart massive quantities of rock. “The rate we’ve seen rock consumed ...

Astronomers have captured their second-ever glimpse into a rare celestial object: a white dwarf pulsar. Pulsars are typically envisioned as spinning neutron stars — a type of stellar remnant left by ...

Astronomers have discovered the smallest yet most massive white dwarf star ever seen. According to a new study published Thursday in the journal Nature, the "very special" star has a mass greater than ...

When a white dwarf shares a solar system with a full-sized companion star, sometimes it will siphon gas from its larger neighbor. The accreted hydrogen and helium builds up on the surface of the white ...

Astronomers have discovered the smallest and most massive white dwarf ever seen. The smoldering cinder, which formed when two less massive white dwarfs merged, is heavy, “packing a mass greater than ...