When an airplane flies, the wings are designed to provide enough lift to overcome the airplane’s weight, so the plane doesn’t ...

A recent photo from NASA's Curiosity rover gives an idea of what Mars would look like under skies that resemble our own on ...

Astronomers announced the discovery of a starless cloud of hydrogen gas, a pristine relic of the cosmos that is almost as old as time itself.

Now, a new Nature study points to an answer by catching four planets at a stage most systems never show us: The awkward, ...

A newly discovered celestial object may be a starless cloud that could change how astronomers understand dark matter.

Across the Milky Way, planets slightly larger than Earth but smaller than Neptune appear around most stars. Yet our own solar ...