Comet, or rather interstellar object 3I/ATLAS, has become one of the most talked about celestial objects of 2025 as it makes ...

The NASA-funded ATLAS survey telescope in Chile found the comet on July 1. The comet was not visible as it raced behind the ...

The Virtual Telescope Project will host a free livestream starting at 11 p.m. EST on Dec. 18 (0400 GMT on Dec. 19), sharing ...

Unlike YR4, finding earlier observations of 3I/ATLAS to model where it might have come from was easier said than done. During ...

Satellites in orbit would begin to collide in a matter of days if they lost manoeuvrability during a solar storm or other ...

Mysterious Bright Flashes in the Night Sky Baffle Astronomers Celestial transients shine furiously and briefly. Astronomers ...

By studying faint distortions in galaxy shapes across a vast region of sky, scientists probed the hidden structure of the universe. In the standard picture of the universe, nearly everything is hidden ...

In the leading model of cosmology, most of the universe is invisible: a combined 95% is made of dark matter and dark energy.