The universe has once again presented astronomers with a puzzle that resists easy classification. Using some of the most advanced space observatories available, researchers have identified a vast and ...

Scientists using a global array of radio telescopes have detected the universe’s lowest-mass dark object by observing how it warped light through gravitational lensing. The invisible mass, about a ...

A NASA team using the Hubble Space Telescope found an object in space never recorded before, nicknamed “Cloud-9.” Cloud-9 is a starless, gas-rich, dark-matter cloud considered a “relic” or remnant of ...

Deep space has just delivered a cosmic curveball: an object that behaves so strangely it appears to break the rules astronomers use to describe how the universe grew up. The discovery centers on an ...