The space telescope's image of a odd-looking spiral galaxy is, in reality, two distant galaxies overlapping each other.

"We're trying to encounter an astronomical object that streaks through our solar system just once and we don’t want to miss the opportunity." ...

Astrophysicists at the University of Colorado's JILA, National Institute of Science and Technology, have conducted an ...

Engineers are exploring propulsion methods that could enable longer-distance travel ...

In a potential step toward sending small spacecraft to the stars, researchers have developed an ultra-thin, ultra-reflective ...