Astronomers have discovered a flattened structure of matter around the Milky Way that explains the unusual motion of nearby galaxies.
Astronomers have uncovered evidence of a dramatic cosmic crash unfolding around a distant star. While reviewing archived ...
Two new studies suggest a new way of measuring expansion in the immediate cosmos by analyzing the motion of two nearby galaxy groups. Galaxies within these groups are simultaneously bound together by ...
A thick layer of haze around the ultra-low-density planet Kepler-51d likely obscures not only the strange planet's ...
Astronomers have discovered planets so massive they challenge everything we thought we knew about planetary formation. From ...
A study led by the University of Oxford has identified a new type of planet beyond our solar system—one that stores large amounts of sulfur deep within a permanent ocean of magma. The findings have ...