Astronomers have identified another object from this realm, with a diameter of roughly 310 miles (500 km), that has an atmosphere - albeit a thin one.

When it comes to locating objects in the night sky, how does one convey its precise position? The sky is divided into a scattered pattern of 88 constellations of various sizes and shapes covering ...

Pluto was believed to be the only body beyond Neptune with an atmosphere. Now, a new discovery in our solar system is challenging that assumption.

After centuries of perplexing scientists with its wildly erratic behaviour, a nearby star may give up some of its secrets in the next couple of weeks. A binary system, η Carinae has two stars that ...

Charles Stark Draper Laboratory Inc., Cambridge, Massachusetts, has been awarded a $26,889,866 cost-plus-fixed-fee contract for the Ocelot Software/Hardware Prototype. This contract provides for a ...