The Einstein ring, formed as light from a distant galaxy bends to glow around another object in the foreground, could help ...

Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...

A black hole infamous for strange features has once again baffled astronomers, this time with rapid X-ray flashes. What could they be?

These "near-dark galaxies" are rare and typically contain ... To put it in perspective, deep-sky objects above 22 mag/arcsec are considered faint, with a completely dark sky having a surface ...

For over a century, astronomers have searched the skies for a perfect example of a phenomenon predicted by Albert Einstein: a luminous halo formed by the bending of light around a massive object. Now, ...

A near-Earth object (NEO) is any small Solar System body whose orbit brings it into proximity with Earth. By convention, a Solar System body is a NEO if its closest approach to the Sun (perihelion) is ...