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Earth-size diamond found in space

Last Updated: Wednesday, June 25, 2014, 15:43

The faintest white dwarf star, possibly the coldest ever detected, has been identified by a team of astronomers.

White dwarf star that looks like diamond identified

Last Updated: Tuesday, June 24, 2014, 12:16

A team of astronomers, using multiple telescopes, have identified a faint white dwarf star that looks like diamond.

Triple star system which holds clues to gravity discovered

Last Updated: Monday, January 06, 2014, 18:51

Astronomers have discovered a unique triple star system which could reveal the true nature of gravity.

Now, see brightest nova since 2007 with naked eye

Last Updated: Tuesday, August 20, 2013, 22:51

A white-dwarf star has erupted in the constellation Delphinus and has produced a nova that is the brightest since 2007.

White dwarf star contradicts theory of nature

Last Updated: Sunday, July 07, 2013, 11:29

A team of researchers has studied a distant star where gravity is more than 30,000 times greater than on Earth to test its controversial theory that one of the constants of nature is not a constant.

Planets around cooling stars may not support life

Last Updated: Wednesday, November 21, 2012, 16:56

No terrestrial, or Earth-like planets have yet been confirmed orbiting white or brown dwarfs, but a new research suggests such planets if exist will prove poor candidates for life.

Bright supernovae likely caused by interaction between white dwarves

Last Updated: Tuesday, November 20, 2012, 19:54

Astronomers have pinned down the likely origins of especially bright supernovae that they use as easy-to-spot “mile markers” to measure the expansion and acceleration of the universe.

M dwarf-white dwarf star pair could be parents of Type Ia supernovae

Last Updated: Friday, October 26, 2012, 16:03

A new study has shed light on the identity of the “parents” of one of the most important types of supernovae -- the Type Ia, those used as “standard candles” in cosmology studies.

Eclipsing white dwarf stars produce gravitational waves

Last Updated: Wednesday, August 29, 2012, 19:48

A team of astronomers led by researchers from The University of Texas at Austin has tested Albert Einstein’s theory of general relativity in a new regime using pair of burnt-out stars.

12 billion year old white dwarf stars identified

Last Updated: Thursday, April 12, 2012, 20:49

In a new study, astronomers have identified two white dwarf stars considered to be the oldest and closest known to man.

‘White dwarf’ triggers giant supernovae explosion

Last Updated: Friday, December 16, 2011, 12:37

Some of the brightest known explosions in the universe, type 1a supernovae, are triggered by ancient, dense stars called white dwarfs.

Dying white dwarf stars could be fertile ground for other Earths

Last Updated: Thursday, March 31, 2011, 13:11

Best place to look for planets that can support life is around dim, dying stars called white dwarfs.