Complete Index

The growing number of deformed frogs in northern California is caused by factors similar to those responsible for the rapid decline of frog populations and other amphibians worldwide.

A clinical trial found that an experimental HIV vaccine moderately reduced the risk of infection. It is the first successful large clinical trial of an HIV vaccine.

Three separate spacecraft have found proof that the moon’s surface holds water molecules, a discovery that will likely encourage exploration of the moon and beyond.

Australia’s biggest dust storm in 70 years blanketed Sydney and other parts of the east coast in red dust this week.

The first results from the Lunar Reconnaissance Orbiter indicate that shadowed craters on the moon’s north and south poles may be the coldest places in the solar system, raising the probability that water ice is present on the moon.

Faced with proposed budget cuts and a need for new technologies that would protect astronauts from radiation, NASA may have to put Mars exploration on hold.

New Zealand legends of a man-eating bird may actually have substance, as scientists say that Haast’s eagle, a giant bird extinct for 500 years, was a predator, not a scavenger.

Drug-resistant staph bacteria similar to the strains found in hospitals have been detected on beaches in Washington state, surprising researchers who believed there was no chance of finding the “superbug” there.

On Sept. 15, 1835, Charles Darwin, aboard the HMS Beagle, reached the Galapagos Islands, where he would start to formulate his ideas of natural selection.

Alec Jeffreys, a pioneer in genetic profiling, last week repeated his opposition to the policy of keeping DNA samples of innocent people in the British DNA database. Britain has been slow to respond to a European court ruling that found the database violated the human right to privacy.

The discovery of an ancient inscribed vessel in Jerusalem could shed light on religious rituals practiced around the time of Jesus Christ.

NFL Pro Bowlers Matt Birk, Lofa Tatupu and Sean Morey will donate their brains to a program studying chronic traumatic encephalopathy (CTE), a neurological disorder caused by blows to the head.

On Sept. 14, 1959, the Soviet probe Luna 2 crashed onto the surface of the moon, becoming the first man-made object to reach it.

Exciting new and evolved species have recently been discovered in Papua New Guinea and Myanmar, while other species have drastically diminished in British Columbia, highlighting the challenges facing conservationists.

Researchers at UCLA diverged from tradition, examining sleep as an adaptive strategy that has more than one distinct purpose, instead of studying the brain’s relation to sleep.

Two recently released studies have moved science closer to discovering the cause of prostate cancer; one strengthened the link between prostate cancer and a virus, while the other discovered a stem cell in the prostate.

A few studies have found that blocking the communication molecules sent out by bacteria can render them practically harmless, and may prevent the evolution of resistant strains.

A new study from the University of Amsterdam shows that romantic love heightens creativity, while lust improves logical thinking. Though experts note there are ways to summon one’s creative energies, even without a muse.

A Wisconsin woman claims her dog can read, highlighting the capacity of canine brains and underscoring the benefits of the human-canine relationship.

A composer and a scientist have found that animals respond to music derived from their own vocal communication, a discovery that could make life for captive animals much more pleasant.

Imperfect watermelons could be turned into ethanol and used to fuel farm equipment, adding one more fuel source to the do-it-yourself and green fuel movements.

Scientists believe a gas giant planet is orbiting so close to its parent star that it will be destroyed or engulfed. If it survives, it will disprove what scientists believe about tidal forces.

The perfect preservation of an ancient squid fossil allowed scientists to make use of its ink, shedding new light on the conditions that create the finest fossils.

The nearly 200-year-old astronomical mystery that is epsilon Aurigae could be solved in the next few years, thanks to amateur astronomers and the Internet.

According to a new study, simultaneous infection with multiple viruses might be the reason why bee colonies have been mysteriously dying off over the last few years.

British researchers have discovered that a protein-like molecule in the brain resists the spread of multiple sclerosis. The discovery, which could lead to the production of a powerful MS drug in the future, is the latest breakthrough in the search for an MS cure.

The different colors and patterns used to distinguish coral reef cleaner fish are an example of protective camouflage found in nature, and used to great benefit by the wearer.

The latest Discovery mission will bring mice, a freezer, small furnaces, and another mini science lab to the International Space Station to study how matter behaves without gravity.

A new study says the expansion of a specific region of the brain designated as a speech and language area may hold the answer to why humans are the only species that talks.

South African runner Caster Semenya is being tested to determine whether she is a female amid suspicion that she may actually possess the genetic characteristics of a male.