One of the brightest objects in the cosmos just had its close-up. Using the Hubble Space Telescope, astronomers homed in on a quasar called 3C 273, some 2.5 billion light-years from Earth. It's one of ...

A mysterious object has been detected at the edge of the universe, sparking curiosity and debate within the scientific community. As researchers scramble to understand its origins and purpose, ...

“Extraordinary claims require extraordinary evidence,” Carl Sagan once warned a maxim now resonating through telescopes worldwide as astronomers grapple with a mind-bending new discovery. The James ...

Harvard astronomer Avi Loeb has argued at length that 3I/ATLAS — the third-ever interstellar object ever detected, currently screaming through the solar system at incredible speed — could be an ...