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Solar activity responsible for no more than 10% of global warming

Last Updated: Sunday, November 10, 2013, 15:06

A new study has suggested that changes in solar activity have contributed no more than 10 per cent to global warming in the 20th century.

Scientists take step closer to finding cosmic ray`s origins

Last Updated: Sunday, September 01, 2013, 11:30

Cosmic rays are known to reach energies above 100 billion giga-electron volts (1011 GeV).

Cassini spacecraft sheds light on how cosmic rays are accelerated

Last Updated: Tuesday, February 19, 2013, 14:18

The international Cassini spacecraft has detected particles being accelerated to ultra-high energies, similar to the acceleration that takes place around supernova explosions .

Supernova remnants really do produce cosmic rays

Last Updated: Friday, February 15, 2013, 14:47

Analysis of data from NASA`s Fermi Gamma-ray Space Telescope has provided the first clear-cut evidence the expanding debris of exploded stars produces some of the fastest-moving matter in the universe.

‘Cosmic rays’ create panic in Kashmir

Last Updated: Wednesday, December 12, 2012, 15:12

Panic gripped residents of Kashmir Valley Tuesday night following rumours that cosmic rays from Mars had entered Earth.

Flaring black holes `may help find source of cosmic rays`

Last Updated: Monday, July 30, 2012, 17:40

A possible source of ultra high-energy cosmic rays – gamma-ray bursts, has received a new lease of life in a new study.

Underground Antarctic telescope to trace cosmic rays

Last Updated: Tuesday, October 19, 2010, 17:45

A telescope buried deep under Antarctic ice has detected first signals of mysterious particles that bombard Earth.

Puzzling pattern of cosmic rays in Antarctica

Last Updated: Saturday, July 31, 2010, 00:42

An observatory still under construction in Antarctica has detected a puzzling pattern in the cosmic rays bombarding the Earth from space.

Dark matter hunt to go deeper

Last Updated: Monday, July 26, 2010, 16:00

Scientists are considering relocating an underground experiment searching for dark matter to an even deeper site.

Astronomers come closer to understanding source of cosmic rays

Last Updated: Wednesday, February 17, 2010, 12:23

New images from NASA’s Fermi Gamma-ray Space Telescope are helping astronomers take a step closer to understanding the source of cosmic rays, which are some of the universe’s most energetic particles.