Not only are they supermassive black holes, but they crate a unique "wagging tail" of super-charged particles.

Astronomers had long suspected that certain quasars—those brilliant, otherworldly light sources fueled by supermassive black ...

Orbs with twin suns, a star twice as old as our sun... see how new discoveries, with surprising similarities to fiction, are ...

A discovery of binary stars could be the first step in building a more complete picture of how our galaxy formed, according ...

A new study has challenged a popular explanation for the unexpected 30-second shortening of Dimorphos's orbital period. The ...

Astronomers recently released a new image of the binary star system Eta Carinae's full spectrum, taken from deep in Chile's ...

Stars up to eight solar masses conclude their lives by shedding outer layers, forming spectacular planetary nebulae of glowing gas and dust in a phase lasting tens of thousands of years. The James ...

Space is no longer the domain of a few government agencies. It has evolved into a vital ecosystem of commercial ventures and scientific innovation that affects global communications, navigation, ...

The interstellar object dubbed 3I/ATLAS has been fascinating astronomers since its discovery in early July. The object, generally believed to be a comet, is screaming through the solar system at ...

The Texas Tech University System chancellor has instructed its institutions to prohibit classroom instruction that teaches there are more than two genders to “comply” with new conservative-backed laws ...

The Dream Chaser spaceplane, which has been under development for two decades, now seems like it might be further than ever from taking flight. On Thursday, NASA, confirming an earlier Ars Technica ...