The pristine star formed outside the Milky Way and later drifted into our galaxy.
The collision likely resembles the one that formed the Moon around 4.5 billion years ago.
Without the mass stellar migration, life may not have been able to form on Earth.
Astronomers watched as the supergiant WOH G64 reshaped itself into a different type of star.
The four-star system features three stars in stable orbits, plus a fourth at a distance equal to Jupiter's orbit around our Sun.
A closer look at the planets around a star called LHS 1903 may just flip our understanding of how planetary systems form.
The new image offers a rare look at the fate of our own star and planetary system.
The recent discovery has left astronomers dumbfounded.
The encounter left behind a trace in the clouds of gas and dust surrounding our solar system.
The aging pair of stars swing by one another once every 190 years, producing four spirals of dust.
Scientists even figured out where it came from, thanks to a new telescope array.
A new discovery offers fresh insights into the life cycle of massive stars and their imminent death.
Earendel may not just be a single star, but a whole group of them.
The unusual interaction triggered a strange new type of supernova that appeared to explode twice.
Scientists found that an Australian moth navigates using a celestial compass, possibly guided by the Milky Way itself.
Extreme nuclear transients are 10 million times rarer than supernovae and emit the same amount of energy as 100 Suns.
Mars is not safe either.
A powerful new optics system has captured the clearest view yet of the Sun’s corona, revealing stunning plasma structures.
Shi’s Star Catalog has been notoriously difficult to date, but new research suggests astronomers drafted it centuries before its Western counterpart.
Dubbed Teleios, the unusually symmetrical space object is puzzling astronomers with its near-perfect shape and mysterious origin.
