Geophysicists at the University of Rochester announce in today’s issue of Nature that the Earth’s magnetic field was nearly as strong 3.2 billion years ago as it is today. The findings, which are…

The maximum extent of Arctic sea ice in winter 2007 was the second lowest on satellite record, narrowly missing the 2006 record, according to a team of University of Colorado at Boulder researchers…

Dr Alwyn Ruddock, a former reader in history at the University of London, was the world expert on John Cabot's discovery voyages from Bristol to North America (1496-98). What she was said to have…

Mating strategies are straightforward in bottlenose dolphins, or are they? Much of the work carried on male-female relationships in that species to date show that males tend to coerce females who…

Horizon: My Pet Dinosaur was broadcast on BBC Two on 13 March at 21:00GMT. The idea behind the program is what would have happened if the dinosaurs hadn’t gone extinct? This sounds like a fantastic…

NGC 1672, visible from the Southern Hemisphere, is seen almost face on and shows regions of intense star formation. The greatest concentrations of star formation are found in the so-called starburst…

HIV-positive people who say religion is an important part of their lives are likely to have fewer sexual partners and engage in high-risk sexual behavior less frequently than other people with the…

J. B. S. Haldane once famously quipped that "God is inordinately fond of beetles." Results of a study by Mark A. McPeek of Dartmouth College and Jonathan M. Brown of Grinnell College suggest that…

Rabies, a relentless, ancient scourge, may hold a key to defeating another implacable foe: HIV. Scientists at Jefferson Medical College in Philadelphia have used a drastically weakened rabies virus…

Given the choice, many of us would opt for warmer climes during the bleak midwinter. However, most of us cannot afford to move abroad for a few months, so instead we pile on extra layers of clothing…