Astronomers have achieved a groundbreaking feat by capturing the first clear image of a star in another galaxy. This ...

“Our galaxy and Andromeda are both so big, there’s hardly any space between the two galaxies.” What is a “RR Lyrae” star? Consider this: not all stars shine as bright as each othe ...

More than half of all stars in the sky have one or more companions ... they skirt Sagittarius A* (Sgr A*), the supermassive black hole lurking at our galaxy's center, as close as 0.095 light ...

Prior to that 1915 discovery, scientists believed that all the stars in the night sky belonged ... has helped us learn a great deal about our own galaxy. "Without Andromeda as a proxy for spiral ...

A close-up view of a prodigious number of stars in the Andromeda galaxy. Credit: NASA / ESA / B. Williams (U. of Washington) The Andromeda galaxy is a colossal marvel in our sky, hosting over 1 ...

But researchers have used the James Webb Space Telescope, a collaboration of NASA and its European and Canadian space counterparts, to zero in on a dwarf galaxy that bucked the trend, rebooting its ...

Hubble's sharp imaging capabilities can resolve more than 200 million stars in the Andromeda galaxy, detecting only stars brighter than our sun ... galaxy uses up all the available interstellar ...

The Hubble Space Telescope has produced the most comprehensive survey of the Andromeda galaxy, revealing new clues about its history. The Hubble survey, assembled from over 1,000 orbits and ...

It took a few billion years after the epoch for the galaxy to reignite and start forming new stars. "We have a measurement like this for only three other galaxies -- all isolated from the Milky ...

Astronomers previously thought all FRBs were generated by magnetars formed through the explosions of very young, massive stars ... of our sun. "It seems to be the most massive FRB host galaxy ...