For the first time, astronomers have imaged dozens of belts around nearby stars where comets and tiny pebbles within them are ...

or planets outside our solar system. Microlensing occurs because the presence of mass warps the fabric of space-time. Any time an intervening object appears to drift near a background star ...

Harvard and Smithsonian (CfA), and its Submillimeter Array (SMA), were critical for identifying a cache of belts surrounding other stars beyond the sun where comets may reside. Regions around 74 stars ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

the planets are still separated by millions or billions of kilometres, and if you could look down on our solar system from outside of it, you would never see them arrayed in a perfect line ...

Tornados, cyclones and hurricanes wreak havoc on Earth, but scientists have now detected planetary winds on an entirely different scale, far outside the solar ... planets of our own system ...

WASP-121b is like nothing in the solar system, raining liquid metal and being puffy like a marshmallow. The origins of these ...

The two biggest planets in our solar system are going to be looking downright cozy tonight. Venus and Saturn will appear to be snuggling close in our southwestern sky after sunset Saturday night ...

Tornados, cyclones and hurricanes wreak havoc on Earth, but scientists have now detected planetary winds on an entirely different scale, far outside the Solar ... planets of our own System ...