While this robot may provide security, some experts also fear its monitoring capabilities will further erode personal privacy.
In two years NASA hopes to be growing plants on the moon in an experiment designed to shed light on how life can be sustained in extreme conditions.
Scientists are unsure whether a coronal mass ejection from the sun - pictured here - took the sungrazing comet out.
How do 21st century photo editing techniques impact classic conceptions of beauty? Just have a look at the image above, by the Italian artist Anna Utopia Giordano. Giordano's Venus project gives Photoshop makeovers to paintings such as Botticelli's La Nascita di Venere.
This "autonomous pack horse" is designed to interact with troops in a "natural way" like a trained animal would.
NASA's Earth Observatory detected a slab of ice 21 miles by 12 miles, or about the size of Singapore, floating in Pine Island Bay, south-west of Chile.
Astronomers in April, 2013 saw the biggest and brightest cosmic explosion ever witnessed, a large gamma-ray burst.
This image is an artist's illustration of the 4U1630-47 star system featuring powerful jets emanating from a black hole candidate that is just a few times the mass of our sun. So what type of matter is contained in these jets?
"Government of the people, by the people, for the people, shall not perish from the earth."
This telephoto view from Kenya, captured on the morning of November 14, shows that Comet ISON has substantially increased in activity, surging to naked-eye visibility for dark sites and sprouting a more complex tail.
"That is what learning is. You suddenly understand something you've understood all your life, but in a new way."
-Doris Lessing, 1919 – 2013
"After a very long wait, the image that the world has awaited is finally here!"
"Our business in life is not to succeed, but to continue to fail in good spirits."
-Robert Louis Stevenson (born on this day in 1850)
"I choose a block of marble and chop off whatever I don't need." - Auguste Rodin
It's difficult to wrap your head around the scale of destruction that was caused by Super-Typhoon Haiyan, one of the most intense tropical cyclones in history. Satellite images released by NASA and other agencies provide some perspective.