Astronomers have discovered remnants of a galaxy that the Milky Way gobbled up roughly 10 billion years ago, consisting of "metal-poor" stars consistent with dwarf galaxies. Space is mind-bogglingly ...

A team of U.S. astronomers has observed a binary pair of white dwarfs where one star is actively devouring material from the ...

Astronomers may be able to identify possible Dyson swarms by looking for unusually cold, clean infrared signals around ...

Scientists hope this new discovery will help explain other mysteries, including why we don’t see more of these binary pairs.

CAPE CANAVERAL, Fla. (AP) — A dying star has never looked so lovely. The Gemini North Telescope atop Hawaii’s tallest peak, ...

Sirius is a blue giant, which burns through its fuel quickly and lives only a relatively short period of time. Yet it has a ...

In 1878, Williamina Fleming immigrated to Boston from Scotland with her husband – but he abandoned her shortly after they ...

A soon-to-be-launched space telescope may help improve our understanding of star life cycles, thanks to a method developed in ...

Astronomers using the Hubble Space Telescope have discovered a "ultra-massive white dwarf that formed when a white dwarf ...

In the year 185 C.E, Chinese astronomers spotted a supernova and dubbed it the "guest star." The National Science Foundation’s (NSF) Víctor M. Blanco 4-meter Telescope at Cerro Tololo Inter-American ...

The 2026 Gruber Cosmology Prize honors Alexei V. Filippenko, Ken'ichi Nomoto, and Stanford Woosley for their decades-long ...

An army of volunteers is helping NASA and the scientific community uncover tiny wanna be suns. Volunteers with NASA's Backyard Worlds: Planet 9 project have essentially doubled the known number of ...