The night sky has always played a crucial role in navigation, from early ocean crossings to modern GPS. Besides stars, the United States Navy uses quasars as beacons. Quasars are distant galaxies with ...

The name 'blue lurker' might sound like a villainous character from a superhero movie. But it is a rare class of star that NASA's Hubble Space Telescope explored by looking deeply into the open star ...

Multiple NASA telescopes recently helped scientists search the sky for supermassive black holes—those up to billions of times heavier than the sun. The new survey is unique because it was as likely to ...

After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.

Black hole quantum effects are usually thought to be too small to have any observable signatures. This is indeed the case for ...

NASA's James Webb Space Telescope has added another honor to its name by locating a record number of new stars in a faraway ...

NASA's Roman Space Telescope is preparing for launch in 2027, with a mission to study distant galaxies and explore dark ...

Over 40 stars in a galaxy billions of light-years away were photographed, offering a glimpse into an era when the universe ...

The research group observed a galaxy nearly 6.5 billion light-years from Earth; when the universe was half its current age.

Could time itself actually explain our universe's expansion? Our current cosmological model—known as lambda cold dark matter, ...

By looking at light from distant exploding stars called supernovas, in 1998 astronomers discovered the universe isn’t just ...