Space News

The Kepler mission has discovered two new planetary systems that include three super-Earth-size planets in the "habitable zone," the range of distance from a star where the surface temperature of an orbiting planet might...

When it comes to sheer wattage, blazars definitely rule. As the brightest of active galactic nuclei, these sources of extreme high-energy gamma rays are usually associated with relativistic jets of material spewing into ...

This might be the most exciting exoplanet news yet. An international team of scientists analyzing data from NASA's Kepler mission has found a planetary system with two small, potentially rocky planets that lie within the...

The first thing I want to know is where we can get the cool, compacted NASA washcloths. But this new video from Chris Hadfield, commander of the International Space Station is pretty amazing. Hadfield has been working wi...

Satellites can now fit in the palm of your hand. Known as Cubesats, several of these tiny but cost-effective payloads use off-the-shelf technology that you may currently carry in your pocket. In fact, engineers have put ...

In a scenario where millions of years are considered a short period of time, hours are barely a blink of an eye. While it might take ten years or more to observe a group of galaxies with a modicum of detail for telescope...