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Breakthrough in measuring universe`s rate of expansion could help explain dark energy

Last Updated: Tuesday, April 08, 2014, 14:52

Researchers have found a new way of using quasars to track the expanding universe, which the claim is the most precise measurement yet.

Three quarters of universe made up of mysterious dark energy, say cosmologists

Last Updated: Thursday, March 27, 2014, 15:35

Cosmologists believe that some three quarters of the universe are made up of a mysterious dark energy which would explain its accelerated expansion.

Dartmouth researchers claim there may be no dark energy

Last Updated: Friday, November 08, 2013, 16:17

Dartmouth researchers have ruled out a controversial theory, claiming that the accelerating expansion of the universe is an illusion.

Quest to solve why expansion of universe is speeding up begins

Last Updated: Wednesday, September 04, 2013, 16:39

Physicists and astronomers have now started their quest for finding the answers as to why the expansion of the universe is speeding up.

Race to solve mystery of dark energy begins

Last Updated: Friday, August 16, 2013, 12:25

A handful of high-profile projects are trying to solve the mystery of dark energy, the unknown force that is believed to be causing the universe to expand faster and faster.

Higgs Boson key to resolving cosmological constant problem

Last Updated: Saturday, August 10, 2013, 16:03

One of the biggest mysteries in contemporary particle physics and cosmology that have baffled experts is as to why dark energy has a remarkably small (but not zero) value.

Exploding stars offer clues to dark energy

Last Updated: Thursday, February 28, 2013, 18:09

Observation of two bright exploding stars is improving the astronomical "tape measure" used to calculate the acceleration of the expansion of the universe, say scientists.

`Cosmic web stripping` could reveal missing dwarf galaxies

Last Updated: Sunday, February 03, 2013, 19:08

Galaxies and matter in the universe clump in an intricate network of filaments and voids, known as the cosmic web.

`Einstein was first to dream up dark energy`

Last Updated: Tuesday, December 11, 2012, 19:48

In 1917, Einstein’s novel equations of space-time had geometric terms on the left and energy on the right.

Indian physicist questions physical reality of `Dark Energy`

Last Updated: Monday, December 10, 2012, 17:36

A research paper by an Indian physicist has for the first time cast doubts on some of the fundamental hypotheses of the standard Big Bang model for the origin of the universe.

Galaxy clusters may solve `mystery of dark energy`

Last Updated: Wednesday, November 21, 2012, 18:56

New work by a team of astronomers that has yielded exquisitely precise distances of a large sample of clusters may lead to breakthroughs in understanding the expansion history of our Universe and Dark Energy.

World's most powerful digital camera takes its first image

Last Updated: Tuesday, September 18, 2012, 12:54

Scientists have announced that the world's most powerful 570-megapixel digital camera has captured first images of starlight from eight billion years ago.