The boundary of a solar system is not defined by planets, but by gravity. Beyond Pluto and the Kuiper Belt lies the Oort ...

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

The Star of Bethlehem has long hovered between faith and physics, a luminous mystery that resists easy explanation. Now a ...

“After their audience with the king, [the wise men] set out,” reads chapter two of the Book of Matthew. “And behold, the star that they had seen at its rising preceded them, until it came and stopped ...

Astronomers discovered the 40,000th near-Earth asteroid, taking the tally to 40,155 per NASA (as of the first week of December). Per ESA, the number was 15,000 in 2016 and 30,000 in 2022. G-d only ...

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

An amateur photographer in Portland captures rare images of interstellar Comet 3I/ATLAS using a smart telescope as the ...

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 ...

A newly discovered exoplanet is rewriting the rules of what planets can be. Orbiting a city-sized neutron star, this ...