If it is a galaxy, it would be the oldest known galaxy in the cosmos, but it could also be a brown dwarf or an early black ...
String theory unifies all the forces of nature. Forces that seem very different, such as gravity and electricity, are deeply ...
A new study suggests that during a potential phase of primordial matter domination, particle interactions may have led to the formation of the universe’s first compact cosmic objects. Less than a ...
A century ago, a star in Andromeda named V1 launched a revolution in astronomy, revealing its true immensity and the origin ...
For several decades, evidence has suggested that the expansion of the universe is accelerating. Crucial to those estimates ...