Facebook's solar-powered drone makes first full test flight
Mark Zuckerberg is having his Wright Brothers moment.
Stem cell-based cartilage could fix your broken hip
The living joint can even release anti-inflammatory molecules.
Explore a 3D scan of the Apollo 11 capsule
It wouldn't hurt to cue up "Space Oddity" while you're at it.
Scientists can build lab tools using these Lego-like blocks
These 3D-printed blocks are flexible, adaptable and affordable.
NASA releases a year-long look at the sunlit face of the Earth
In the past, only astronauts had the opportunity to see it.
NASA institute will find ways to protect astronauts' health
The agency teamed up with the Baylor College of Medicine in Houston.
Hubble study finds two potentially habitable exoplanets
A pair of nearby planets offer rocky surfaces and dense atmospheres.
New imaging method reveals how Alzheimer's reshapes the brain
The breakthrough will help scientists understand how neurological disorders affect patients over time.
NASA tests composite material for lightweight rockets
The scientists broke an eight-foot-tall barrel with a 900,000-pound-load for science.