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.
Last Updated: Sunday, September 01, 2013, 11:30
Cosmic rays are known to reach energies above 100 billion giga-electron volts (1011 GeV).
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 .
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.
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.
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.
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.
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.
Last Updated: Monday, July 26, 2010, 16:00
Scientists are considering relocating an underground experiment searching for dark matter to an even deeper site.
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.
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