An 'Astronaut's-Eye View' video of Orion's re-entry through the atmosphere was recorded, showing a dramatic descent.
Rafael Ramos and Wenjian Liu were killed in the line of duty by a gunman in New York City. What drove the assassin to kill police officers?
Medical claims made on television shows may not be reliable, according to a new study out of Canada.
Listeria is breaking out among people who consumed commercial caramel apples, and researchers are trying their best to track down the source of the infections.
Flooding is likely to become more common in coastal cities around the United States, a new study warns. Is your city on the hot list?
The Kepler spacecraft has discovered an exoplanet for the first time since the new K2 mission started, reviving the once-defunct observatory.
Theta auroras are dazzling and highly-distinctive. Now, scientists finally know how they form. Theta Auroras are bizarre and dynamic, but scientists were uncertain how they formed - until now.
American astronaut Scott Kelly will soon launch to the International Space Station to spend a year in space. How will this help NASA bring space travelers to Mars?
Human stem cells may be patented if they are not capable of developing into human beings, Europe's largest court has ruled. What could this mean for medical research?
Golden-winged warblers are able to detect tornadoes days before they strike an area, but how do they know?
Obesity may be a disability for some people, a European court has ruled. How could this affect workers and businesses?
The Fag el-Gamous cemetery in Egypt may hold the remains of up to a million mummies. Why are they all there?
Babies could soon be born from genetic material of three people, and the United Kingdom has now developed the first legal regulations in the world to regulate the practice.
Fracking will be banned in New York state, but why was this process prohibited? Fracking will soon be banned in New York state, thanks to a drive by Andrew Cuomo, governor of the Empire State.
Meningitis outbreaks are responsible for at least 64 deaths across the nation, and federal officials have now arrested managers of the company that produced tainted drugs. How could this happen?
Holiday lights are seen around the world, and now NASA has identified patterns in the illumination. The NOAA/NASA Suomi National Polar-orbiting Partnership (Suomi NPP) satellite has photographed holiday lights around the world.
Blackouts could become more common due to climate change, a new study concludes. Which American cities are under the greatest threat?
Yoga reduces the risk of heart disease, and has numerous other health benefits, according to a new meta-study. What can the practice do for the human body?
The 10 cutest animal discoveries of the year were named by editors at the journal Nature. Here are their picks for 2014.
The Mississippi Tower, designed to test rocket engines, has been completed, although it will never be used. Why was it built?
Americans are losing sleep in order to work more, but how can we prevent chronic sleep problems without reducing employment?
DARPA has developed the new Exacto bullet, able to change direction in mid-air. What drove development of this new ammunition?
Teenagers are now more likely to use e-cigarettes than traditional forms of tobacco, but how widespread is the problem?
Mindfulness is an ancient Buddhist technique, now becoming more popular among health care professionals. But what is the scientific evidence that it works?
Shyness and antisocial behavior could be triggered by three gene variants, but how does environment affect personalty?
Expolanets close to their suns could be detected due to warping from gravity, according to new research.
Climate talks in Lima have been put on hold in a dispute over costs, but what could this mean for negotiations scheduled for Paris in 2015?
A Nazca geoglyph may forever be altered by a publicity stunt carried out in the name of the environment. Why did Greenpeace carry out the action, and why are they apologizing for it now?
Newborn babies and mothers are dying from childbirth in developing countries, due to lack of clean water and poor sanitation. How widespread is this problem?
The Geminid meteor shower will light up skies on December 13 and 14. What makes this display different from the rest?