Fact-based stories from our cosmic neighbourhood, one star or constellation at a time. Name it, navigate it, know it.

The 3I/ATLAS threw off over 13.5 million metric tons of water in the month after perihelion, a plume so large that it caused ...

The small, icy visitor now racing away from the inner solar system is not just another comet. It is an interstellar object, ...

The theory, spearheaded by astronomer Michele Bannister and her investigative team at the University of Canterbury in New ...

After a 35-year journey, Voyager 1 finally reached interstellar space in 2012. The most distant human-made has to venture on ...

Stars and planets are inextricably linked. They form together and stars shape the fate of planets. Stars create the dusty ...

On Saturday (Jan. 10), for example, we will see three satellites on one side of Jupiter (going outward from the planet: Ganymede, Io and Europa ), while the fourth ( Callisto) remains all by itself on ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

The latest finding offers "a window into the dark universe,” said one of the researchers behind the groundbreaking discovery.

After passing Earth, interstellar comet 3I/ATLAS will fly close to Jupiter and its moon Eupheme in March 2026, marking a key moment in its outbound journey ...

Using the Hubble Space Telescope, astronomers have discovered a new type of cosmic object, a cloud of dark matter and gas ...