Using the Gran Telescopio Canarias (GTC) and the Apache Point Observatory (APO), an international team of astronomers has detected 19 pulsation modes in an ultra-massive white dwarf known as WD ...

The observations made using the European Space Agency's XMM-Newton orbiting X-ray telescope appear to show a white dwarf nearing the point of no return - called the event horizon - as it orbits ...

The evolution of white dwarfs is essentially a gravothermal process of cooling in which the basic ingredients for predicting their evolution are well identified, although not always well understood.

A Ceres-like planet orbits a white dwarf star. Credit: Mark A. Garlick. When we first began searching for planets around other stars, one of the surprising discoveries was that there are planets ...

An artist's concept shows a stream of matter trails a white dwarf (sphere at lower right) orbiting within the innermost accretion disk surrounding a supermassive black hole. — Reuters WASHINGTON ...

Now, researchers report that they have caught a supermassive black hole in the act of eating a white dwarf, the last stage of evolution for stars like our Sun – but the white dwarf is not giving ...

WASHINGTON (Reuters) - Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually increasing in frequency that seem to be coming ...

Various pages about LGBTQ rights and lives in the U.S. have been wiped from the official White House site, LGBTQ media advocacy organization GLAAD has reported. "Transgender" turns up two results ...

"This tells us that objects like white dwarfs may be able to live very close to an event horizon for a relatively extended period of time." SEE ALSO: NASA scientist viewed first Voyager images.

NSF / AUI / NSF NRAO / Meyer at al. 2025 The scientists say the most likely culprit behind the mysterious pulsing is a white dwarf—a dense stellar remnant about the size of the Earth—that’s ...

That’s why her team thinks the orbiter is a 0.1-solar-mass white dwarf — the superheated, compact remnant of a Sun-like star. A white dwarf would also lose angular momentum through ...