Deep space has just delivered a cosmic riddle that refuses to fit any familiar category. Astronomers using some of the most ...

A mysterious object from the depths of space is rapidly approaching Earth, capturing the attention and intrigue of NASA scientists. This interstellar visitor, unlike anything observed before, raises ...

Interstellar comet 3I/ATLAS baffles scientists by brightening and turning blue after passing the Sun, defying standard models ...

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 ...