When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Super-bright galaxies powered by black holes have helped astronomers come up with the most ...

Astronomers have chased hypervelocity stars for more than a century. These rare objects move so fast that the Milky Way ...

A cosmic bull’s-eye is helping astronomers pinpoint the distance to a neutron star. Concentric rings of X-rays bouncing off interstellar dust indicate that the stellar remnant is about 31,000 ...

Extra stellar systems are so far away from our own that we couldn’t even hope of developing a tape measure long enough to determine how far away they really are. On the other hand, astronomers can ...

distance scale, as well as to research the stellar life-cycle. relationship to distance. A 100-watt light bulb one mile away looks exactly as bright as a 25-watt light bulb half a mile away. So to ...

NASA's New Horizons probe was able to help measure the distance between two stars and our home system thanks to its distant location. The probe's images of the stars were compared with images of those ...

With very few exceptions, stars are so distant that even powerful telescopes see them only as dimensionless specks of light. How, then, can we know their sizes? Fortunately, there’s a simple ...

The team's findings, which were published Monday in the journal Nature, also unveil a method of investigating dark matter, which remains one of the universe's greatest mysteries. Astronomers setting ...

It’s a bit mind-bending to realise that everything we know about the scale of the universe comes from people stuck […] ...