A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

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 on Thursday released time-lapse movies dramatizing the fiery behavior of two young star systems, observations that could shed light on the genesis of our solar system. The nearby stars, ...

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

The Hubble Space Telescope has captured imagery of the R Aquarii binary star system from 2014-2023. The images have been time ...

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 ...