SCIENCE

After a delay due to poor weather, NASA's Orion spacecraft had its first flight test on Friday.

A human-made taser delivers 19 high-voltage pulses a second while the electric eel produces 400 pulses a second.

Developed nations have so far contributed $10 billion to the Green Climate Fund, far below the $100 billion a year target.

The cutting of trees in the Amazon jungle may be the cause of São Paulo's worst drought in decades.

The Orion spacecraft will launch on its first unmanned test mission Thursday.

If current trends continue, 2014 could be even hotter than previous record years, the World Meteorological Agency warned.

By 2050, emissions may raise average temperatures in France above 100 degrees Fahrenheit and cause regular 6-foot-high flooding in Vietnam.

One reason why the researchers believe the carbon found within the meteorite is of Martian origin is due to microscopic grains of carbon, which have turned into diamonds.

Richard III's DNA does not match descendants of his sister. That 500-year lineage break could now jeopardize future claims to the British throne.

For the boys? Ant farms and simulated frog dissection kits. For the girls? "Mani pedi party" kits that teach them how to make jewelry.

The number of Sierra Leone’s citizens under quarantine is now over 3 million, or more than half of its total population of 6 million.

Everybody knows about mean girls, but research shows mean boys are worse.

Coverage gaps in the U.S. health care system are a major reason why people aren’t receiving treatment, which doesn’t come cheap.

The source of cosmic emissions is at the forefront of the Planck 2014 conference.

NASA's New Horizons spacecraft has spent nine years traveling across the solar system.

According to a study conducted by scientists from Oxford University, HIV is slowly evolving into a much milder, less virulent form.

The discovery by a ground-based telescope is expected to assist future space missions to search for transiting exoplanets.

Negotiations will begin amid record-breaking global temperatures observed by the US National Oceanic and Atmospheric Administration.

Watch live stream footage of Orion's first trip into space Thursday, courtesy of NASA TV.

A material called graphene showed it could absorb the impact of a bullet better than materials like steel and Kevlar.

Fierce gusts of wind are expected to continue through the weekend as power is restored in northwest Wyoming.

The Hayabusa2 space probe, aiming to return samples from an asteroid, is now scheduled to launch Monday.

The new findings indicate that he Greeks could predict eclipses and engineered the highly complex machine at an earlier stage than believed.

Suffering Ebola-like symptoms after a trip to Sierra Leone, a traveler was hospitalized for tests.

The virus has been found to persist for up to three months after onset of symptoms.

Detection times for Ebola patients could be dramatically reduced as a new 15-minute test kit is introduced in Guinea.

While a centipede easily surpasses humans on the sheer number of legs, it falls short when it comes to genes, a new study said.

Scientists have discovered an invisible layer of plasma above the Earth’s surface that protects the planet from harmful radiation.

A group of 20 volunteers developed immunity to the Ebola virus and showed no bad side effects.